{"title":"HK Army 68ci HSTL Air Systems","description":"\u003cp\u003eHK Army HSTL Carbon Fiber 68ci 4500psi Air Tanks. These are super light weight carbon fiber air systems available in many color choices. Also see our custom \u003cstrong\u003e\u003ca href=\"\/products\/hk-army-hstl-air-tank-builder\" title=\"HK Army HSTL Custom Air Tank Builder\"\u003eHSTL Air Tank Builder.\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e","products":[{"product_id":"hk-army-hstl-air-tank-builder","title":"HK Army HSTL Air Tank Builder","description":"\u003ch2\u003eBuild Your Own HK Army HSTL Carbon Fiber Air Tank\u003c\/h2\u003e\n\u003cp\u003eCreate your ideal HK Army HSTL Air System. Pick any the HK Army regulator model and color, then choose from the HSTL Carbon Fiber Bottle of your choice. Choose a blue HP8 Regulator with a Grey bottle. Or choose the standard HK Army Regulator and the color of your choice bottle to get the lowest price we offer. Let us know if you'd like it assembled and ready to play, or shipped unassembled so you can put it together yourself.\u003c\/p\u003e\n\u003ch3\u003eHSTL Carbon Fiber Bottle Features:\u003c\/h3\u003e\n\u003cp\u003e68 Cubic Inch Lite-Weight Bottle w\/ 4500 psi Capacity\u003cbr\u003eWeight 2lbs 2oz (with Standard Regulator)\u003cbr\u003eBuilt to DOT\/TC-UN (ISO11119-2) regulations for safety and reliability\u003cbr\u003eCertified for use in three regions\/countries (USA, Europe, Canada)\u003cbr\u003eFive-Year Hydro Cycle\u003cbr\u003e\u003c\/p\u003e\n\u003ch3\u003eHK Army regulator features:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eReliable performance with constant output air flow\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e1.8K and 7.5K Burst Disks for Safety\u003c\/li\u003e\n\u003cli\u003eEasily screws onto all compressed air bottles made for paintball or airsoft\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eConstructed from aircraft-grade aluminum for durability\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eMaximum fill capacity of 4500psi\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eGauge for monitoring air levels\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eDual O-rings on top ensure you will not break orings when screwing your air system on your marker\u003c\/li\u003e\n\u003cli\u003eIncluded fill valve cover prevents dirt and debris from building up in the in the fill valve\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cstyle\u003e\n.so-tab { position: relative; width: 100%; overflow: hidden; margin: 12px 0; border: 1px solid #ddd; border-radius: 6px; }\n.so-tab label { position: relative; display: block; padding: 16px 45px 16px 20px; font-weight: 600; font-size: 1em; cursor: pointer; line-height: normal; margin: 0; }\n.so-tab input { position: absolute; opacity: 0; z-index: -1; }\n.so-tab-content { max-height: 0; overflow: hidden; transition: max-height .35s; }\n.so-tab input:checked ~ .so-tab-content { max-height: 600px; }\n.so-tab label::after { content: \"+\"; position: absolute; right: 20px; top: 50%; transform: translateY(-50%); font-size: 1.4em; font-weight: 300; transition: all .35s; }\n.so-tab input:checked + label::after { transform: translateY(-50%) rotate(45deg); }\n.so-tab-content p { margin: 0; padding: 0 20px 16px; line-height: 1.6; }\n\u003c\/style\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv class=\"so-tab\"\u003e\n\u003cinput id=\"faq-hstl-1\" type=\"checkbox\" name=\"faq-hstl\"\u003e \u003clabel for=\"faq-hstl-1\"\u003eWhat regulators can I choose from?\u003c\/label\u003e\n\u003cdiv class=\"so-tab-content\"\u003e\n\u003cp\u003eThe HSTL Tank Builder offers three HK Army regulator options. The Standard Regulator is the most affordable option and a reliable choice for recreational and competitive players. The HP8 Regulator is a step up, available in multiple colors — great for players who want to match their setup. The MP5 Regulator rounds out the lineup as a performance-focused option for markers requiring lower pressure. All three regulators are compatible with the HSTL 68ci carbon fiber bottle.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"so-tab\"\u003e\n\u003cinput id=\"faq-hstl-2\" type=\"checkbox\" name=\"faq-hstl\"\u003e \u003clabel for=\"faq-hstl-2\"\u003eDoes the HSTL bottle come in different sizes?\u003c\/label\u003e\n\u003cdiv class=\"so-tab-content\"\u003e\n\u003cp\u003eThe HSTL carbon fiber bottle is available in 68ci only, weighing in at just 2lbs 2oz with the Standard Regulator attached — built for players who want a lightweight setup without sacrificing air capacity. If you're looking for a 48ci option as well, check out our \u003ca href=\"https:\/\/www.discountpaintball.com\/products\/hk-army-aerolite-air-tank-builder\"\u003eHK Army AeroLite Air Tank Builder\u003c\/a\u003e, which offers both 48ci and 68ci bottles.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"so-tab\"\u003e\n\u003cinput id=\"faq-hstl-3\" type=\"checkbox\" name=\"faq-hstl\"\u003e \u003clabel for=\"faq-hstl-3\"\u003eWhat colors are available?\u003c\/label\u003e\n\u003cdiv class=\"so-tab-content\"\u003e\n\u003cp\u003eThe HSTL carbon fiber bottle is available in Black White, Blue White, Gold Black, Purple White, and Red Black. The HP8 regulator is also available in multiple colors, so you can mix and match your bottle and regulator to create a custom look. The Standard and MP5 regulators are available in Black.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"so-tab\"\u003e\n\u003cinput id=\"faq-hstl-4\" type=\"checkbox\" name=\"faq-hstl\"\u003e \u003clabel for=\"faq-hstl-4\"\u003eWill this tank work with my paintball marker?\u003c\/label\u003e\n\u003cdiv class=\"so-tab-content\"\u003e\n\u003cp\u003eYes. All HK Army HSTL regulators use a standard thread pattern that is compatible with virtually all paintball markers and airsoft guns that accept a compressed air HPA tank. If you're unsure whether your specific marker is compatible, feel free to contact us before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"so-tab\"\u003e\n\u003cinput id=\"faq-hstl-5\" type=\"checkbox\" name=\"faq-hstl\"\u003e \u003clabel for=\"faq-hstl-5\"\u003eCan I get the tank assembled and ready to use?\u003c\/label\u003e\n\u003cdiv class=\"so-tab-content\"\u003e\n\u003cp\u003eYes — just let us know above. We can assemble your HSTL tank and have it ready to fill and play right out of the box. If you prefer to put it together yourself, we can ship it unassembled as well.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"so-tab\"\u003e\n\u003cinput id=\"faq-hstl-6\" type=\"checkbox\" name=\"faq-hstl\"\u003e \u003clabel for=\"faq-hstl-6\"\u003eWhen does the tank need to be recertified?\u003c\/label\u003e\n\u003cdiv class=\"so-tab-content\"\u003e\n\u003cp\u003eThe HSTL bottle operates on a five-year hydro cycle. The tank must be hydrostatically tested and recertified every five years from its manufacture date to remain legal for use and refilling. Most paintball pro shops and dive shops offer hydro testing services.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"so-tab\"\u003e\n\u003cinput id=\"faq-hstl-7\" type=\"checkbox\" name=\"faq-hstl\"\u003e \u003clabel for=\"faq-hstl-7\"\u003eWhat if I only need a bottle or regulator separately?\u003c\/label\u003e\n\u003cdiv class=\"so-tab-content\"\u003e\n\u003cp\u003eNo problem. Just choose \"None\" above for the regulator or bottle. OR, if you already have a regulator and just need a replacement bottle, you can purchase the \u003ca href=\"https:\/\/www.discountpaintball.com\/products\/hk-army-hstl-carbon-fiber-compressed-air-tank-bottle-only\"\u003eHSTL 68ci Bottle Only\u003c\/a\u003e separately. Regulators are also available individually in our \u003ca href=\"https:\/\/www.discountpaintball.com\/collections\/regulators-foregrips?sort_by=title-ascending\u0026amp;filter.p.vendor=HK+Army\"\u003eHK Army Regulators collection\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"HK Army","offers":[{"title":"Default Title","offer_id":41719543136389,"sku":"custom-hk-tank","price":184.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0042\/7347\/1606\/files\/hkarmyhstl-air-tank-builder.jpg?v=1782531039"},{"product_id":"hk-army-hstl-68ci-4500psi-carbon-fiber-air-tank-black-white","title":"HK Army HSTL 68ci 4500psi Carbon Fiber Air Tank Black White","description":"\u003ch2\u003eHK Army HSTL 68ci 4500psi Carbon Fiber Air Tank – Black \/ White\u003c\/h2\u003e\n\n\u003cp\u003eA classic combo, the HK Army HSTL 68ci in black with white HSTL lettering holds a full 4500 psi compressed air (HPA) fill in a carbon fiber wrapped bottle that weighs just 2.6 lbs, keeping your setup light without cutting capacity.\u003c\/p\u003e\n\n\u003cp\u003eThe aircraft-grade aluminum regulator ships pre-set to 800-850 psi output, ready to run with no setup required. Backed by an ISO-USA approved cylinder — valid in the USA, Canada, and Europe — with dual 1.8K and 7.5K burst disks, this tank carries a 15-year lifespan and requires hydro testing every five years. Universal threading means it fits essentially any paintball marker, and a fill nipple cover is included to protect the valve between fills.\u003c\/p\u003e\n\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e68 cubic inch carbon fiber wrapped bottle, 4500 psi capacity\u003c\/li\u003e\n\u003cli\u003eFinish: Black \/ White with HSTL lettering\u003c\/li\u003e\n\u003cli\u003eAircraft-grade aluminum regulator, pre-set (non-adjustable)\u003c\/li\u003e\n\u003cli\u003eOutput pressure: 800-850 psi\u003c\/li\u003e\n\u003cli\u003eWeight: 2.6 lbs\u003c\/li\u003e\n\u003cli\u003eDimensions: 11.2\" length x 4.4\" width\u003c\/li\u003e\n\u003cli\u003eISO-USA approved cylinder — valid in the USA, Canada, and Europe\u003c\/li\u003e\n\u003cli\u003e1.8K and 7.5K burst disks\u003c\/li\u003e\n\u003cli\u003e15-year lifespan, hydro testing required every 5 years\u003c\/li\u003e\n\u003cli\u003eUniversal marker threading\u003c\/li\u003e\n\u003cli\u003eFill nipple cover included\u003c\/li\u003e\n\u003cli\u003eLimited 90-day warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eAlso Available\u003c\/h2\u003e\n\u003cp\u003eWant a lighter, more compact tank? Check out the \u003ca href=\"\/products\/hk-army-aerolite-48ci-4500psi-carbon-fiber-air-tank-clear\"\u003eHK Army AeroLite 48ci\u003c\/a\u003e. Prefer the same 68ci capacity in a clear or tinted carbon fiber finish instead of a solid color? See the \u003ca href=\"\/products\/hk-army-aerolite-68ci-4500psi-carbon-fiber-air-tank-clear\"\u003eHK Army AeroLite 68ci\u003c\/a\u003e. Browse the full lineup in \u003ca href=\"\/collections\/hk-army-air-tanks\"\u003eHK Army Air Tanks\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\n\u003cstyle id=\"hstl-68-blw-faq-style\"\u003e\n#hstl-68-blw-faq .so-tab { border-bottom: 1px solid #ddd; }\n#hstl-68-blw-faq .so-tab input { display: none; }\n#hstl-68-blw-faq .so-tab label { display: block; padding: 12px 0; cursor: pointer; font-weight: 600; position: relative; }\n#hstl-68-blw-faq .so-tab label::after { content: \"+\"; position: absolute; right: 0; }\n#hstl-68-blw-faq .so-tab input:checked ~ label::after { content: \"\\2212\"; }\n#hstl-68-blw-faq .so-tab .so-tab-content { max-height: 0; overflow: hidden; transition: max-height 0.3s ease; }\n#hstl-68-blw-faq .so-tab input:checked ~ .so-tab-content { max-height: 300px; padding-bottom: 12px; }\n\u003c\/style\u003e\n\n\u003cdiv id=\"hstl-68-blw-faq\"\u003e\n\u003cdiv class=\"so-tab\"\u003e\n\u003cinput type=\"checkbox\" id=\"faq1-blw\"\u003e\n\u003clabel for=\"faq1-blw\"\u003eIs the regulator on this tank adjustable?\u003c\/label\u003e\n\u003cdiv class=\"so-tab-content\"\u003e\u003cp\u003eNo, the HSTL regulator is pre-set to 800-850 psi output at the factory and is not user-adjustable.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"so-tab\"\u003e\n\u003cinput type=\"checkbox\" id=\"faq2-blw\"\u003e\n\u003clabel for=\"faq2-blw\"\u003eWill this tank fit my marker?\u003c\/label\u003e\n\u003cdiv class=\"so-tab-content\"\u003e\u003cp\u003eYes, the HSTL 68ci uses universal threading compatible with virtually all paintball markers.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"so-tab\"\u003e\n\u003cinput type=\"checkbox\" id=\"faq3-blw\"\u003e\n\u003clabel for=\"faq3-blw\"\u003eIs this tank still carbon fiber even though I can't see the weave under the color?\u003c\/label\u003e\n\u003cdiv class=\"so-tab-content\"\u003e\u003cp\u003eYes. The HSTL series uses the same carbon fiber wrapped bottle as our AeroLite tanks, finished in a solid color with the HSTL wordmark instead of a clear or smoke tint that shows the weave. You get the same lightweight, high-capacity carbon fiber construction in a bold, opaque finish.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"so-tab\"\u003e\n\u003cinput type=\"checkbox\" id=\"faq4-blw\"\u003e\n\u003clabel for=\"faq4-blw\"\u003eHow often does this tank need to be tested, and how long does it last?\u003c\/label\u003e\n\u003cdiv class=\"so-tab-content\"\u003e\u003cp\u003eThis cylinder requires hydro testing every 5 years and has a total service life of 15 years from date of manufacture.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\"@type\": \"Question\",\"name\": \"Is the regulator on this tank adjustable?\",\"acceptedAnswer\": {\"@type\": \"Answer\",\"text\": \"No, the HSTL regulator is pre-set to 800-850 psi output at the factory and is not user-adjustable.\"}},\n    {\"@type\": \"Question\",\"name\": \"Will this tank fit my marker?\",\"acceptedAnswer\": {\"@type\": \"Answer\",\"text\": \"Yes, the HSTL 68ci uses universal threading compatible with virtually all paintball markers.\"}},\n    {\"@type\": \"Question\",\"name\": \"Is this tank still carbon fiber even though I can't see the weave under the color?\",\"acceptedAnswer\": {\"@type\": \"Answer\",\"text\": \"Yes. The HSTL series uses the same carbon fiber wrapped bottle as our AeroLite tanks, finished in a solid color with the HSTL wordmark instead of a clear or smoke tint that shows the weave. You get the same lightweight, high-capacity carbon fiber construction in a bold, opaque finish.\"}},\n    {\"@type\": \"Question\",\"name\": \"How often does this tank need to be tested, and how long does it last?\",\"acceptedAnswer\": {\"@type\": \"Answer\",\"text\": \"This cylinder requires hydro testing every 5 years and has a total service life of 15 years from date of manufacture.\"}}\n  ]\n}\n\u003c\/script\u003e","brand":"HK Army","offers":[{"title":"Default Title","offer_id":41744770171013,"sku":"100-410-00125","price":184.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0042\/7347\/1606\/files\/100-410-00125.jpg?v=1784580819"},{"product_id":"hk-army-hstl-68ci-4500psi-carbon-fiber-air-tank-blue-white","title":"HK Army HSTL 68ci 4500psi Carbon Fiber Air Tank Blue White","description":"\u003ch2\u003eHK Army HSTL 68ci 4500psi Carbon Fiber Air Tank – Blue \/ White\u003c\/h2\u003e\n\n\u003cp\u003eThe HK Army HSTL 68ci in blue with white HSTL lettering pairs a full 4500 psi compressed air (HPA) fill with a lightweight carbon fiber wrapped bottle, weighing only 2.6 lbs — noticeably lighter than an aluminum tank of the same capacity.\u003c\/p\u003e\n\n\u003cp\u003eOutput runs through an aircraft-grade aluminum regulator, pre-set to 800-850 psi so there's no manual adjustment needed. The ISO-USA approved cylinder — valid in the USA, Canada, and Europe — is protected by dual 1.8K and 7.5K burst disks, rated for a 15-year service life with hydro testing required every five years. It threads onto virtually any paintball marker thanks to universal threading, and ships with a fill nipple cover to keep the valve clean between fills.\u003c\/p\u003e\n\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e68 cubic inch carbon fiber wrapped bottle, 4500 psi capacity\u003c\/li\u003e\n\u003cli\u003eFinish: Blue \/ White with HSTL lettering\u003c\/li\u003e\n\u003cli\u003eAircraft-grade aluminum regulator, pre-set (non-adjustable)\u003c\/li\u003e\n\u003cli\u003eOutput pressure: 800-850 psi\u003c\/li\u003e\n\u003cli\u003eWeight: 2.6 lbs\u003c\/li\u003e\n\u003cli\u003eDimensions: 11.2\" length x 4.4\" width\u003c\/li\u003e\n\u003cli\u003eISO-USA approved cylinder — valid in the USA, Canada, and Europe\u003c\/li\u003e\n\u003cli\u003e1.8K and 7.5K burst disks\u003c\/li\u003e\n\u003cli\u003e15-year lifespan, hydro testing required every 5 years\u003c\/li\u003e\n\u003cli\u003eUniversal marker threading\u003c\/li\u003e\n\u003cli\u003eFill nipple cover included\u003c\/li\u003e\n\u003cli\u003eLimited 90-day warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eAlso Available\u003c\/h2\u003e\n\u003cp\u003eWant a lighter, more compact tank? Check out the \u003ca href=\"\/products\/hk-army-aerolite-48ci-4500psi-carbon-fiber-air-tank-clear\"\u003eHK Army AeroLite 48ci\u003c\/a\u003e. Prefer the same 68ci capacity in a clear or tinted carbon fiber finish instead of a solid color? See the \u003ca href=\"\/products\/hk-army-aerolite-68ci-4500psi-carbon-fiber-air-tank-clear\"\u003eHK Army AeroLite 68ci\u003c\/a\u003e. Browse the full lineup in \u003ca href=\"\/collections\/hk-army-air-tanks\"\u003eHK Army Air Tanks\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\n\u003cstyle id=\"hstl-68-bw-faq-style\"\u003e\n#hstl-68-bw-faq .so-tab { border-bottom: 1px solid #ddd; }\n#hstl-68-bw-faq .so-tab input { display: none; }\n#hstl-68-bw-faq .so-tab label { display: block; padding: 12px 0; cursor: pointer; font-weight: 600; position: relative; }\n#hstl-68-bw-faq .so-tab label::after { content: \"+\"; position: absolute; right: 0; }\n#hstl-68-bw-faq .so-tab input:checked ~ label::after { content: \"\\2212\"; }\n#hstl-68-bw-faq .so-tab .so-tab-content { max-height: 0; overflow: hidden; transition: max-height 0.3s ease; }\n#hstl-68-bw-faq .so-tab input:checked ~ .so-tab-content { max-height: 300px; padding-bottom: 12px; }\n\u003c\/style\u003e\n\n\u003cdiv id=\"hstl-68-bw-faq\"\u003e\n\u003cdiv class=\"so-tab\"\u003e\n\u003cinput type=\"checkbox\" id=\"faq1-bw\"\u003e\n\u003clabel for=\"faq1-bw\"\u003eIs the regulator on this tank adjustable?\u003c\/label\u003e\n\u003cdiv class=\"so-tab-content\"\u003e\u003cp\u003eNo, the HSTL regulator is pre-set to 800-850 psi output at the factory and is not user-adjustable.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"so-tab\"\u003e\n\u003cinput type=\"checkbox\" id=\"faq2-bw\"\u003e\n\u003clabel for=\"faq2-bw\"\u003eWill this tank fit my marker?\u003c\/label\u003e\n\u003cdiv class=\"so-tab-content\"\u003e\u003cp\u003eYes, the HSTL 68ci uses universal threading compatible with virtually all paintball markers.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"so-tab\"\u003e\n\u003cinput type=\"checkbox\" id=\"faq3-bw\"\u003e\n\u003clabel for=\"faq3-bw\"\u003eIs this tank still carbon fiber even though I can't see the weave under the color?\u003c\/label\u003e\n\u003cdiv class=\"so-tab-content\"\u003e\u003cp\u003eYes. The HSTL series uses the same carbon fiber wrapped bottle as our AeroLite tanks, finished in a solid color with the HSTL wordmark instead of a clear or smoke tint that shows the weave. You get the same lightweight, high-capacity carbon fiber construction in a bold, opaque finish.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"so-tab\"\u003e\n\u003cinput type=\"checkbox\" id=\"faq4-bw\"\u003e\n\u003clabel for=\"faq4-bw\"\u003eHow often does this tank need to be tested, and how long does it last?\u003c\/label\u003e\n\u003cdiv class=\"so-tab-content\"\u003e\u003cp\u003eThis cylinder requires hydro testing every 5 years and has a total service life of 15 years from date of manufacture.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\"@type\": \"Question\",\"name\": \"Is the regulator on this tank adjustable?\",\"acceptedAnswer\": {\"@type\": \"Answer\",\"text\": \"No, the HSTL regulator is pre-set to 800-850 psi output at the factory and is not user-adjustable.\"}},\n    {\"@type\": \"Question\",\"name\": \"Will this tank fit my marker?\",\"acceptedAnswer\": {\"@type\": \"Answer\",\"text\": \"Yes, the HSTL 68ci uses universal threading compatible with virtually all paintball markers.\"}},\n    {\"@type\": \"Question\",\"name\": \"Is this tank still carbon fiber even though I can't see the weave under the color?\",\"acceptedAnswer\": {\"@type\": \"Answer\",\"text\": \"Yes. The HSTL series uses the same carbon fiber wrapped bottle as our AeroLite tanks, finished in a solid color with the HSTL wordmark instead of a clear or smoke tint that shows the weave. You get the same lightweight, high-capacity carbon fiber construction in a bold, opaque finish.\"}},\n    {\"@type\": \"Question\",\"name\": \"How often does this tank need to be tested, and how long does it last?\",\"acceptedAnswer\": {\"@type\": \"Answer\",\"text\": \"This cylinder requires hydro testing every 5 years and has a total service life of 15 years from date of manufacture.\"}}\n  ]\n}\n\u003c\/script\u003e","brand":"HK Army","offers":[{"title":"Default Title","offer_id":41744770203781,"sku":"100-410-00135","price":184.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0042\/7347\/1606\/files\/100-410-00135.jpg?v=1784577864"},{"product_id":"hk-army-hstl-68ci-4500psi-carbon-fiber-air-tank-gold-black","title":"HK Army HSTL 68ci 4500psi Carbon Fiber Air Tank Gold Black","description":"\u003ch2\u003eHK Army HSTL 68ci 4500psi Carbon Fiber Air Tank – Gold \/ Black\u003c\/h2\u003e\n\n\u003cp\u003eThe HK Army HSTL 68ci in gold with black HSTL lettering gives your setup a premium look without adding weight. The carbon fiber wrapped bottle holds a full 4500 psi compressed air (HPA) fill at just 2.6 lbs.\u003c\/p\u003e\n\n\u003cp\u003eAn aircraft-grade aluminum regulator is pre-set at the factory to output 800-850 psi, so there's nothing to adjust before you play. The cylinder itself is ISO-USA approved — valid in the USA, Canada, and Europe — backed by dual 1.8K and 7.5K burst disks for layered safety, and rated for a 15-year lifespan with hydro testing required every five years. Universal threading fits virtually any paintball marker, and a fill nipple cover is included to protect the valve between fills.\u003c\/p\u003e\n\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e68 cubic inch carbon fiber wrapped bottle, 4500 psi capacity\u003c\/li\u003e\n\u003cli\u003eFinish: Gold \/ Black with HSTL lettering\u003c\/li\u003e\n\u003cli\u003eAircraft-grade aluminum regulator, pre-set (non-adjustable)\u003c\/li\u003e\n\u003cli\u003eOutput pressure: 800-850 psi\u003c\/li\u003e\n\u003cli\u003eWeight: 2.6 lbs\u003c\/li\u003e\n\u003cli\u003eDimensions: 11.2\" length x 4.4\" width\u003c\/li\u003e\n\u003cli\u003eISO-USA approved cylinder — valid in the USA, Canada, and Europe\u003c\/li\u003e\n\u003cli\u003e1.8K and 7.5K burst disks\u003c\/li\u003e\n\u003cli\u003e15-year lifespan, hydro testing required every 5 years\u003c\/li\u003e\n\u003cli\u003eUniversal marker threading\u003c\/li\u003e\n\u003cli\u003eFill nipple cover included\u003c\/li\u003e\n\u003cli\u003eLimited 90-day warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eAlso Available\u003c\/h2\u003e\n\u003cp\u003eWant a lighter, more compact tank? Check out the \u003ca href=\"\/products\/hk-army-aerolite-48ci-4500psi-carbon-fiber-air-tank-clear\"\u003eHK Army AeroLite 48ci\u003c\/a\u003e. Prefer the same 68ci capacity in a clear or tinted carbon fiber finish instead of a solid color? See the \u003ca href=\"\/products\/hk-army-aerolite-68ci-4500psi-carbon-fiber-air-tank-clear\"\u003eHK Army AeroLite 68ci\u003c\/a\u003e. Browse the full lineup in \u003ca href=\"\/collections\/hk-army-air-tanks\"\u003eHK Army Air Tanks\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\n\u003cstyle id=\"hstl-68-gob-faq-style\"\u003e\n#hstl-68-gob-faq .so-tab { border-bottom: 1px solid #ddd; }\n#hstl-68-gob-faq .so-tab input { display: none; }\n#hstl-68-gob-faq .so-tab label { display: block; padding: 12px 0; cursor: pointer; font-weight: 600; position: relative; }\n#hstl-68-gob-faq .so-tab label::after { content: \"+\"; position: absolute; right: 0; }\n#hstl-68-gob-faq .so-tab input:checked ~ label::after { content: \"\\2212\"; }\n#hstl-68-gob-faq .so-tab .so-tab-content { max-height: 0; overflow: hidden; transition: max-height 0.3s ease; }\n#hstl-68-gob-faq .so-tab input:checked ~ .so-tab-content { max-height: 300px; padding-bottom: 12px; }\n\u003c\/style\u003e\n\n\u003cdiv id=\"hstl-68-gob-faq\"\u003e\n\u003cdiv class=\"so-tab\"\u003e\n\u003cinput type=\"checkbox\" id=\"faq1-gob\"\u003e\n\u003clabel for=\"faq1-gob\"\u003eIs the regulator on this tank adjustable?\u003c\/label\u003e\n\u003cdiv class=\"so-tab-content\"\u003e\u003cp\u003eNo, the HSTL regulator is pre-set to 800-850 psi output at the factory and is not user-adjustable.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"so-tab\"\u003e\n\u003cinput type=\"checkbox\" id=\"faq2-gob\"\u003e\n\u003clabel for=\"faq2-gob\"\u003eWill this tank fit my marker?\u003c\/label\u003e\n\u003cdiv class=\"so-tab-content\"\u003e\u003cp\u003eYes, the HSTL 68ci uses universal threading compatible with virtually all paintball markers.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"so-tab\"\u003e\n\u003cinput type=\"checkbox\" id=\"faq3-gob\"\u003e\n\u003clabel for=\"faq3-gob\"\u003eIs this tank still carbon fiber even though I can't see the weave under the color?\u003c\/label\u003e\n\u003cdiv class=\"so-tab-content\"\u003e\u003cp\u003eYes. The HSTL series uses the same carbon fiber wrapped bottle as our AeroLite tanks, finished in a solid color with the HSTL wordmark instead of a clear or smoke tint that shows the weave. You get the same lightweight, high-capacity carbon fiber construction in a bold, opaque finish.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"so-tab\"\u003e\n\u003cinput type=\"checkbox\" id=\"faq4-gob\"\u003e\n\u003clabel for=\"faq4-gob\"\u003eHow often does this tank need to be tested, and how long does it last?\u003c\/label\u003e\n\u003cdiv class=\"so-tab-content\"\u003e\u003cp\u003eThis cylinder requires hydro testing every 5 years and has a total service life of 15 years from date of manufacture.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\"@type\": \"Question\",\"name\": \"Is the regulator on this tank adjustable?\",\"acceptedAnswer\": {\"@type\": \"Answer\",\"text\": \"No, the HSTL regulator is pre-set to 800-850 psi output at the factory and is not user-adjustable.\"}},\n    {\"@type\": \"Question\",\"name\": \"Will this tank fit my marker?\",\"acceptedAnswer\": {\"@type\": \"Answer\",\"text\": \"Yes, the HSTL 68ci uses universal threading compatible with virtually all paintball markers.\"}},\n    {\"@type\": \"Question\",\"name\": \"Is this tank still carbon fiber even though I can't see the weave under the color?\",\"acceptedAnswer\": {\"@type\": \"Answer\",\"text\": \"Yes. The HSTL series uses the same carbon fiber wrapped bottle as our AeroLite tanks, finished in a solid color with the HSTL wordmark instead of a clear or smoke tint that shows the weave. You get the same lightweight, high-capacity carbon fiber construction in a bold, opaque finish.\"}},\n    {\"@type\": \"Question\",\"name\": \"How often does this tank need to be tested, and how long does it last?\",\"acceptedAnswer\": {\"@type\": \"Answer\",\"text\": \"This cylinder requires hydro testing every 5 years and has a total service life of 15 years from date of manufacture.\"}}\n  ]\n}\n\u003c\/script\u003e","brand":"HK Army","offers":[{"title":"Default Title","offer_id":41744770236549,"sku":"100-410-00136","price":184.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0042\/7347\/1606\/files\/100-410-00136.jpg?v=1784577058"},{"product_id":"hk-army-hstl-68ci-4500psi-carbon-fiber-air-tank-grey-black","title":"HK Army HSTL 68ci 4500psi Carbon Fiber Air Tank Grey Black","description":"\u003ch2\u003eHK Army HSTL 68ci 4500psi Carbon Fiber Air Tank – Grey \/ Black\u003c\/h2\u003e\n\n\u003cp\u003eFor a more understated look, the HK Army HSTL 68ci in grey with black HSTL lettering delivers the same full 4500 psi carbon fiber compressed air (HPA) capacity at just 2.6 lbs, without drawing extra attention on the field.\u003c\/p\u003e\n\n\u003cp\u003eThe aircraft-grade aluminum regulator ships pre-set to 800-850 psi output, ready to run with no setup required. Backed by an ISO-USA approved cylinder — valid in the USA, Canada, and Europe — with dual 1.8K and 7.5K burst disks, this tank carries a 15-year lifespan and requires hydro testing every five years. Universal threading means it fits essentially any paintball marker, and a fill nipple cover is included to protect the valve between fills.\u003c\/p\u003e\n\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e68 cubic inch carbon fiber wrapped bottle, 4500 psi capacity\u003c\/li\u003e\n\u003cli\u003eFinish: Grey \/ Black with HSTL lettering\u003c\/li\u003e\n\u003cli\u003eAircraft-grade aluminum regulator, pre-set (non-adjustable)\u003c\/li\u003e\n\u003cli\u003eOutput pressure: 800-850 psi\u003c\/li\u003e\n\u003cli\u003eWeight: 2.6 lbs\u003c\/li\u003e\n\u003cli\u003eDimensions: 11.2\" length x 4.4\" width\u003c\/li\u003e\n\u003cli\u003eISO-USA approved cylinder — valid in the USA, Canada, and Europe\u003c\/li\u003e\n\u003cli\u003e1.8K and 7.5K burst disks\u003c\/li\u003e\n\u003cli\u003e15-year lifespan, hydro testing required every 5 years\u003c\/li\u003e\n\u003cli\u003eUniversal marker threading\u003c\/li\u003e\n\u003cli\u003eFill nipple cover included\u003c\/li\u003e\n\u003cli\u003eLimited 90-day warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eAlso Available\u003c\/h2\u003e\n\u003cp\u003eWant a lighter, more compact tank? Check out the \u003ca href=\"\/products\/hk-army-aerolite-48ci-4500psi-carbon-fiber-air-tank-clear\"\u003eHK Army AeroLite 48ci\u003c\/a\u003e. Prefer the same 68ci capacity in a clear or tinted carbon fiber finish instead of a solid color? See the \u003ca href=\"\/products\/hk-army-aerolite-68ci-4500psi-carbon-fiber-air-tank-clear\"\u003eHK Army AeroLite 68ci\u003c\/a\u003e. Browse the full lineup in \u003ca href=\"\/collections\/hk-army-air-tanks\"\u003eHK Army Air Tanks\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\n\u003cstyle id=\"hstl-68-gb-faq-style\"\u003e\n#hstl-68-gb-faq .so-tab { border-bottom: 1px solid #ddd; }\n#hstl-68-gb-faq .so-tab input { display: none; }\n#hstl-68-gb-faq .so-tab label { display: block; padding: 12px 0; cursor: pointer; font-weight: 600; position: relative; }\n#hstl-68-gb-faq .so-tab label::after { content: \"+\"; position: absolute; right: 0; }\n#hstl-68-gb-faq .so-tab input:checked ~ label::after { content: \"\\2212\"; }\n#hstl-68-gb-faq .so-tab .so-tab-content { max-height: 0; overflow: hidden; transition: max-height 0.3s ease; }\n#hstl-68-gb-faq .so-tab input:checked ~ .so-tab-content { max-height: 300px; padding-bottom: 12px; }\n\u003c\/style\u003e\n\n\u003cdiv id=\"hstl-68-gb-faq\"\u003e\n\u003cdiv class=\"so-tab\"\u003e\n\u003cinput type=\"checkbox\" id=\"faq1-gb\"\u003e\n\u003clabel for=\"faq1-gb\"\u003eIs the regulator on this tank adjustable?\u003c\/label\u003e\n\u003cdiv class=\"so-tab-content\"\u003e\u003cp\u003eNo, the HSTL regulator is pre-set to 800-850 psi output at the factory and is not user-adjustable.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"so-tab\"\u003e\n\u003cinput type=\"checkbox\" id=\"faq2-gb\"\u003e\n\u003clabel for=\"faq2-gb\"\u003eWill this tank fit my marker?\u003c\/label\u003e\n\u003cdiv class=\"so-tab-content\"\u003e\u003cp\u003eYes, the HSTL 68ci uses universal threading compatible with virtually all paintball markers.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"so-tab\"\u003e\n\u003cinput type=\"checkbox\" id=\"faq3-gb\"\u003e\n\u003clabel for=\"faq3-gb\"\u003eIs this tank still carbon fiber even though I can't see the weave under the color?\u003c\/label\u003e\n\u003cdiv class=\"so-tab-content\"\u003e\u003cp\u003eYes. The HSTL series uses the same carbon fiber wrapped bottle as our AeroLite tanks, finished in a solid color with the HSTL wordmark instead of a clear or smoke tint that shows the weave. You get the same lightweight, high-capacity carbon fiber construction in a bold, opaque finish.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"so-tab\"\u003e\n\u003cinput type=\"checkbox\" id=\"faq4-gb\"\u003e\n\u003clabel for=\"faq4-gb\"\u003eHow often does this tank need to be tested, and how long does it last?\u003c\/label\u003e\n\u003cdiv class=\"so-tab-content\"\u003e\u003cp\u003eThis cylinder requires hydro testing every 5 years and has a total service life of 15 years from date of manufacture.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\"@type\": \"Question\",\"name\": \"Is the regulator on this tank adjustable?\",\"acceptedAnswer\": {\"@type\": \"Answer\",\"text\": \"No, the HSTL regulator is pre-set to 800-850 psi output at the factory and is not user-adjustable.\"}},\n    {\"@type\": \"Question\",\"name\": \"Will this tank fit my marker?\",\"acceptedAnswer\": {\"@type\": \"Answer\",\"text\": \"Yes, the HSTL 68ci uses universal threading compatible with virtually all paintball markers.\"}},\n    {\"@type\": \"Question\",\"name\": \"Is this tank still carbon fiber even though I can't see the weave under the color?\",\"acceptedAnswer\": {\"@type\": \"Answer\",\"text\": \"Yes. The HSTL series uses the same carbon fiber wrapped bottle as our AeroLite tanks, finished in a solid color with the HSTL wordmark instead of a clear or smoke tint that shows the weave. You get the same lightweight, high-capacity carbon fiber construction in a bold, opaque finish.\"}},\n    {\"@type\": \"Question\",\"name\": \"How often does this tank need to be tested, and how long does it last?\",\"acceptedAnswer\": {\"@type\": \"Answer\",\"text\": \"This cylinder requires hydro testing every 5 years and has a total service life of 15 years from date of manufacture.\"}}\n  ]\n}\n\u003c\/script\u003e","brand":"HK Army","offers":[{"title":"Default Title","offer_id":41744770269317,"sku":"100-410-00137","price":184.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0042\/7347\/1606\/files\/100-410-00137-1.jpg?v=1784576879"},{"product_id":"hk-army-hstl-68ci-4500psi-carbon-fiber-air-tank-neon-green-black","title":"HK Army HSTL 68ci 4500psi Carbon Fiber Air Tank Neon Green Black","description":"\u003ch2\u003eHK Army HSTL 68ci 4500psi Carbon Fiber Air Tank – Neon Green \/ Black\u003c\/h2\u003e\n\n\u003cp\u003eThe HK Army HSTL 68ci in neon green with black HSTL lettering brings high-visibility style to a full 4500 psi carbon fiber compressed air (HPA) tank, weighing in at only 2.6 lbs — lighter than a comparable aluminum 68ci bottle.\u003c\/p\u003e\n\n\u003cp\u003eOutput runs through an aircraft-grade aluminum regulator, pre-set to 800-850 psi so there's no manual adjustment needed. The ISO-USA approved cylinder — valid in the USA, Canada, and Europe — is protected by dual 1.8K and 7.5K burst disks, rated for a 15-year service life with hydro testing required every five years. It threads onto virtually any paintball marker thanks to universal threading, and ships with a fill nipple cover to keep the valve clean between fills.\u003c\/p\u003e\n\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e68 cubic inch carbon fiber wrapped bottle, 4500 psi capacity\u003c\/li\u003e\n\u003cli\u003eFinish: Neon Green \/ Black with HSTL lettering\u003c\/li\u003e\n\u003cli\u003eAircraft-grade aluminum regulator, pre-set (non-adjustable)\u003c\/li\u003e\n\u003cli\u003eOutput pressure: 800-850 psi\u003c\/li\u003e\n\u003cli\u003eWeight: 2.6 lbs\u003c\/li\u003e\n\u003cli\u003eDimensions: 11.2\" length x 4.4\" width\u003c\/li\u003e\n\u003cli\u003eISO-USA approved cylinder — valid in the USA, Canada, and Europe\u003c\/li\u003e\n\u003cli\u003e1.8K and 7.5K burst disks\u003c\/li\u003e\n\u003cli\u003e15-year lifespan, hydro testing required every 5 years\u003c\/li\u003e\n\u003cli\u003eUniversal marker threading\u003c\/li\u003e\n\u003cli\u003eFill nipple cover included\u003c\/li\u003e\n\u003cli\u003eLimited 90-day warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eAlso Available\u003c\/h2\u003e\n\u003cp\u003eWant a lighter, more compact tank? Check out the \u003ca href=\"\/products\/hk-army-aerolite-48ci-4500psi-carbon-fiber-air-tank-clear\"\u003eHK Army AeroLite 48ci\u003c\/a\u003e. Prefer the same 68ci capacity in a clear or tinted carbon fiber finish instead of a solid color? See the \u003ca href=\"\/products\/hk-army-aerolite-68ci-4500psi-carbon-fiber-air-tank-clear\"\u003eHK Army AeroLite 68ci\u003c\/a\u003e. Browse the full lineup in \u003ca href=\"\/collections\/hk-army-air-tanks\"\u003eHK Army Air Tanks\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\n\u003cstyle id=\"hstl-68-ngb-faq-style\"\u003e\n#hstl-68-ngb-faq .so-tab { border-bottom: 1px solid #ddd; }\n#hstl-68-ngb-faq .so-tab input { display: none; }\n#hstl-68-ngb-faq .so-tab label { display: block; padding: 12px 0; cursor: pointer; font-weight: 600; position: relative; }\n#hstl-68-ngb-faq .so-tab label::after { content: \"+\"; position: absolute; right: 0; }\n#hstl-68-ngb-faq .so-tab input:checked ~ label::after { content: \"\\2212\"; }\n#hstl-68-ngb-faq .so-tab .so-tab-content { max-height: 0; overflow: hidden; transition: max-height 0.3s ease; }\n#hstl-68-ngb-faq .so-tab input:checked ~ .so-tab-content { max-height: 300px; padding-bottom: 12px; }\n\u003c\/style\u003e\n\n\u003cdiv id=\"hstl-68-ngb-faq\"\u003e\n\u003cdiv class=\"so-tab\"\u003e\n\u003cinput type=\"checkbox\" id=\"faq1-ngb\"\u003e\n\u003clabel for=\"faq1-ngb\"\u003eIs the regulator on this tank adjustable?\u003c\/label\u003e\n\u003cdiv class=\"so-tab-content\"\u003e\u003cp\u003eNo, the HSTL regulator is pre-set to 800-850 psi output at the factory and is not user-adjustable.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"so-tab\"\u003e\n\u003cinput type=\"checkbox\" id=\"faq2-ngb\"\u003e\n\u003clabel for=\"faq2-ngb\"\u003eWill this tank fit my marker?\u003c\/label\u003e\n\u003cdiv class=\"so-tab-content\"\u003e\u003cp\u003eYes, the HSTL 68ci uses universal threading compatible with virtually all paintball markers.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"so-tab\"\u003e\n\u003cinput type=\"checkbox\" id=\"faq3-ngb\"\u003e\n\u003clabel for=\"faq3-ngb\"\u003eIs this tank still carbon fiber even though I can't see the weave under the color?\u003c\/label\u003e\n\u003cdiv class=\"so-tab-content\"\u003e\u003cp\u003eYes. The HSTL series uses the same carbon fiber wrapped bottle as our AeroLite tanks, finished in a solid color with the HSTL wordmark instead of a clear or smoke tint that shows the weave. You get the same lightweight, high-capacity carbon fiber construction in a bold, opaque finish.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"so-tab\"\u003e\n\u003cinput type=\"checkbox\" id=\"faq4-ngb\"\u003e\n\u003clabel for=\"faq4-ngb\"\u003eHow often does this tank need to be tested, and how long does it last?\u003c\/label\u003e\n\u003cdiv class=\"so-tab-content\"\u003e\u003cp\u003eThis cylinder requires hydro testing every 5 years and has a total service life of 15 years from date of manufacture.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\"@type\": \"Question\",\"name\": \"Is the regulator on this tank adjustable?\",\"acceptedAnswer\": {\"@type\": \"Answer\",\"text\": \"No, the HSTL regulator is pre-set to 800-850 psi output at the factory and is not user-adjustable.\"}},\n    {\"@type\": \"Question\",\"name\": \"Will this tank fit my marker?\",\"acceptedAnswer\": {\"@type\": \"Answer\",\"text\": \"Yes, the HSTL 68ci uses universal threading compatible with virtually all paintball markers.\"}},\n    {\"@type\": \"Question\",\"name\": \"Is this tank still carbon fiber even though I can't see the weave under the color?\",\"acceptedAnswer\": {\"@type\": \"Answer\",\"text\": \"Yes. The HSTL series uses the same carbon fiber wrapped bottle as our AeroLite tanks, finished in a solid color with the HSTL wordmark instead of a clear or smoke tint that shows the weave. You get the same lightweight, high-capacity carbon fiber construction in a bold, opaque finish.\"}},\n    {\"@type\": \"Question\",\"name\": \"How often does this tank need to be tested, and how long does it last?\",\"acceptedAnswer\": {\"@type\": \"Answer\",\"text\": \"This cylinder requires hydro testing every 5 years and has a total service life of 15 years from date of manufacture.\"}}\n  ]\n}\n\u003c\/script\u003e","brand":"HK Army","offers":[{"title":"Default Title","offer_id":41744770302085,"sku":"100-410-00138","price":184.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0042\/7347\/1606\/files\/100-410-00138.jpg?v=1784576698"},{"product_id":"hk-army-hstl-68ci-4500psi-carbon-fiber-air-tank-neon-pink-black","title":"HK Army HSTL 68ci 4500psi Carbon Fiber Air Tank Neon Pink Black","description":"\u003ch2\u003eHK Army HSTL 68ci 4500psi Carbon Fiber Air Tank – Neon Pink \/ Black\u003c\/h2\u003e\n\n\u003cp\u003eBright, loud, and impossible to miss — the HK Army HSTL 68ci in neon pink with black HSTL lettering pairs a full 4500 psi compressed air (HPA) fill with a carbon fiber wrapped bottle that weighs just 2.6 lbs.\u003c\/p\u003e\n\n\u003cp\u003eAn aircraft-grade aluminum regulator is pre-set at the factory to output 800-850 psi, so there's nothing to adjust before you play. The cylinder itself is ISO-USA approved — valid in the USA, Canada, and Europe — backed by dual 1.8K and 7.5K burst disks for layered safety, and rated for a 15-year lifespan with hydro testing required every five years. Universal threading fits virtually any paintball marker, and a fill nipple cover is included to protect the valve between fills.\u003c\/p\u003e\n\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e68 cubic inch carbon fiber wrapped bottle, 4500 psi capacity\u003c\/li\u003e\n\u003cli\u003eFinish: Neon Pink \/ Black with HSTL lettering\u003c\/li\u003e\n\u003cli\u003eAircraft-grade aluminum regulator, pre-set (non-adjustable)\u003c\/li\u003e\n\u003cli\u003eOutput pressure: 800-850 psi\u003c\/li\u003e\n\u003cli\u003eWeight: 2.6 lbs\u003c\/li\u003e\n\u003cli\u003eDimensions: 11.2\" length x 4.4\" width\u003c\/li\u003e\n\u003cli\u003eISO-USA approved cylinder — valid in the USA, Canada, and Europe\u003c\/li\u003e\n\u003cli\u003e1.8K and 7.5K burst disks\u003c\/li\u003e\n\u003cli\u003e15-year lifespan, hydro testing required every 5 years\u003c\/li\u003e\n\u003cli\u003eUniversal marker threading\u003c\/li\u003e\n\u003cli\u003eFill nipple cover included\u003c\/li\u003e\n\u003cli\u003eLimited 90-day warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eAlso Available\u003c\/h2\u003e\n\u003cp\u003eWant a lighter, more compact tank? Check out the \u003ca href=\"\/products\/hk-army-aerolite-48ci-4500psi-carbon-fiber-air-tank-clear\"\u003eHK Army AeroLite 48ci\u003c\/a\u003e. Prefer the same 68ci capacity in a clear or tinted carbon fiber finish instead of a solid color? See the \u003ca href=\"\/products\/hk-army-aerolite-68ci-4500psi-carbon-fiber-air-tank-clear\"\u003eHK Army AeroLite 68ci\u003c\/a\u003e. Browse the full lineup in \u003ca href=\"\/collections\/hk-army-air-tanks\"\u003eHK Army Air Tanks\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\n\u003cstyle id=\"hstl-68-npb-faq-style\"\u003e\n#hstl-68-npb-faq .so-tab { border-bottom: 1px solid #ddd; }\n#hstl-68-npb-faq .so-tab input { display: none; }\n#hstl-68-npb-faq .so-tab label { display: block; padding: 12px 0; cursor: pointer; font-weight: 600; position: relative; }\n#hstl-68-npb-faq .so-tab label::after { content: \"+\"; position: absolute; right: 0; }\n#hstl-68-npb-faq .so-tab input:checked ~ label::after { content: \"\\2212\"; }\n#hstl-68-npb-faq .so-tab .so-tab-content { max-height: 0; overflow: hidden; transition: max-height 0.3s ease; }\n#hstl-68-npb-faq .so-tab input:checked ~ .so-tab-content { max-height: 300px; padding-bottom: 12px; }\n\u003c\/style\u003e\n\n\u003cdiv id=\"hstl-68-npb-faq\"\u003e\n\u003cdiv class=\"so-tab\"\u003e\n\u003cinput type=\"checkbox\" id=\"faq1-npb\"\u003e\n\u003clabel for=\"faq1-npb\"\u003eIs the regulator on this tank adjustable?\u003c\/label\u003e\n\u003cdiv class=\"so-tab-content\"\u003e\u003cp\u003eNo, the HSTL regulator is pre-set to 800-850 psi output at the factory and is not user-adjustable.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"so-tab\"\u003e\n\u003cinput type=\"checkbox\" id=\"faq2-npb\"\u003e\n\u003clabel for=\"faq2-npb\"\u003eWill this tank fit my marker?\u003c\/label\u003e\n\u003cdiv class=\"so-tab-content\"\u003e\u003cp\u003eYes, the HSTL 68ci uses universal threading compatible with virtually all paintball markers.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"so-tab\"\u003e\n\u003cinput type=\"checkbox\" id=\"faq3-npb\"\u003e\n\u003clabel for=\"faq3-npb\"\u003eIs this tank still carbon fiber even though I can't see the weave under the color?\u003c\/label\u003e\n\u003cdiv class=\"so-tab-content\"\u003e\u003cp\u003eYes. The HSTL series uses the same carbon fiber wrapped bottle as our AeroLite tanks, finished in a solid color with the HSTL wordmark instead of a clear or smoke tint that shows the weave. You get the same lightweight, high-capacity carbon fiber construction in a bold, opaque finish.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"so-tab\"\u003e\n\u003cinput type=\"checkbox\" id=\"faq4-npb\"\u003e\n\u003clabel for=\"faq4-npb\"\u003eHow often does this tank need to be tested, and how long does it last?\u003c\/label\u003e\n\u003cdiv class=\"so-tab-content\"\u003e\u003cp\u003eThis cylinder requires hydro testing every 5 years and has a total service life of 15 years from date of manufacture.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\"@type\": \"Question\",\"name\": \"Is the regulator on this tank adjustable?\",\"acceptedAnswer\": {\"@type\": \"Answer\",\"text\": \"No, the HSTL regulator is pre-set to 800-850 psi output at the factory and is not user-adjustable.\"}},\n    {\"@type\": \"Question\",\"name\": \"Will this tank fit my marker?\",\"acceptedAnswer\": {\"@type\": \"Answer\",\"text\": \"Yes, the HSTL 68ci uses universal threading compatible with virtually all paintball markers.\"}},\n    {\"@type\": \"Question\",\"name\": \"Is this tank still carbon fiber even though I can't see the weave under the color?\",\"acceptedAnswer\": {\"@type\": \"Answer\",\"text\": \"Yes. The HSTL series uses the same carbon fiber wrapped bottle as our AeroLite tanks, finished in a solid color with the HSTL wordmark instead of a clear or smoke tint that shows the weave. You get the same lightweight, high-capacity carbon fiber construction in a bold, opaque finish.\"}},\n    {\"@type\": \"Question\",\"name\": \"How often does this tank need to be tested, and how long does it last?\",\"acceptedAnswer\": {\"@type\": \"Answer\",\"text\": \"This cylinder requires hydro testing every 5 years and has a total service life of 15 years from date of manufacture.\"}}\n  ]\n}\n\u003c\/script\u003e","brand":"HK Army","offers":[{"title":"Default Title","offer_id":41744770334853,"sku":"100-410-00139","price":184.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0042\/7347\/1606\/files\/100-410-00139.jpg?v=1784576199"},{"product_id":"hk-army-hstl-68ci-4500psi-carbon-fiber-air-tank-olive-black","title":"HK Army HSTL 68ci 4500psi Carbon Fiber Air Tank Olive Black","description":"\u003ch2\u003eHK Army HSTL 68ci 4500psi Carbon Fiber Air Tank – Olive \/ Black\u003c\/h2\u003e\n\n\u003cp\u003eThe HK Army HSTL 68ci in olive with black HSTL lettering brings a tactical, low-key look to your air system. The carbon fiber wrapped bottle holds a full 4500 psi compressed air (HPA) fill at just 2.6 lbs, keeping weight down without sacrificing capacity.\u003c\/p\u003e\n\n\u003cp\u003eThe aircraft-grade aluminum regulator ships pre-set to 800-850 psi output, ready to run with no setup required. Backed by an ISO-USA approved cylinder — valid in the USA, Canada, and Europe — with dual 1.8K and 7.5K burst disks, this tank carries a 15-year lifespan and requires hydro testing every five years. Universal threading means it fits essentially any paintball marker, and a fill nipple cover is included to protect the valve between fills.\u003c\/p\u003e\n\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e68 cubic inch carbon fiber wrapped bottle, 4500 psi capacity\u003c\/li\u003e\n\u003cli\u003eFinish: Olive \/ Black with HSTL lettering\u003c\/li\u003e\n\u003cli\u003eAircraft-grade aluminum regulator, pre-set (non-adjustable)\u003c\/li\u003e\n\u003cli\u003eOutput pressure: 800-850 psi\u003c\/li\u003e\n\u003cli\u003eWeight: 2.6 lbs\u003c\/li\u003e\n\u003cli\u003eDimensions: 11.2\" length x 4.4\" width\u003c\/li\u003e\n\u003cli\u003eISO-USA approved cylinder — valid in the USA, Canada, and Europe\u003c\/li\u003e\n\u003cli\u003e1.8K and 7.5K burst disks\u003c\/li\u003e\n\u003cli\u003e15-year lifespan, hydro testing required every 5 years\u003c\/li\u003e\n\u003cli\u003eUniversal marker threading\u003c\/li\u003e\n\u003cli\u003eFill nipple cover included\u003c\/li\u003e\n\u003cli\u003eLimited 90-day warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eAlso Available\u003c\/h2\u003e\n\u003cp\u003eWant a lighter, more compact tank? Check out the \u003ca href=\"\/products\/hk-army-aerolite-48ci-4500psi-carbon-fiber-air-tank-clear\"\u003eHK Army AeroLite 48ci\u003c\/a\u003e. Prefer the same 68ci capacity in a clear or tinted carbon fiber finish instead of a solid color? See the \u003ca href=\"\/products\/hk-army-aerolite-68ci-4500psi-carbon-fiber-air-tank-clear\"\u003eHK Army AeroLite 68ci\u003c\/a\u003e. Browse the full lineup in \u003ca href=\"\/collections\/hk-army-air-tanks\"\u003eHK Army Air Tanks\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\n\u003cstyle id=\"hstl-68-ob-faq-style\"\u003e\n#hstl-68-ob-faq .so-tab { border-bottom: 1px solid #ddd; }\n#hstl-68-ob-faq .so-tab input { display: none; }\n#hstl-68-ob-faq .so-tab label { display: block; padding: 12px 0; cursor: pointer; font-weight: 600; position: relative; }\n#hstl-68-ob-faq .so-tab label::after { content: \"+\"; position: absolute; right: 0; }\n#hstl-68-ob-faq .so-tab input:checked ~ label::after { content: \"\\2212\"; }\n#hstl-68-ob-faq .so-tab .so-tab-content { max-height: 0; overflow: hidden; transition: max-height 0.3s ease; }\n#hstl-68-ob-faq .so-tab input:checked ~ .so-tab-content { max-height: 300px; padding-bottom: 12px; }\n\u003c\/style\u003e\n\n\u003cdiv id=\"hstl-68-ob-faq\"\u003e\n\u003cdiv class=\"so-tab\"\u003e\n\u003cinput type=\"checkbox\" id=\"faq1-ob\"\u003e\n\u003clabel for=\"faq1-ob\"\u003eIs the regulator on this tank adjustable?\u003c\/label\u003e\n\u003cdiv class=\"so-tab-content\"\u003e\u003cp\u003eNo, the HSTL regulator is pre-set to 800-850 psi output at the factory and is not user-adjustable.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"so-tab\"\u003e\n\u003cinput type=\"checkbox\" id=\"faq2-ob\"\u003e\n\u003clabel for=\"faq2-ob\"\u003eWill this tank fit my marker?\u003c\/label\u003e\n\u003cdiv class=\"so-tab-content\"\u003e\u003cp\u003eYes, the HSTL 68ci uses universal threading compatible with virtually all paintball markers.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"so-tab\"\u003e\n\u003cinput type=\"checkbox\" id=\"faq3-ob\"\u003e\n\u003clabel for=\"faq3-ob\"\u003eIs this tank still carbon fiber even though I can't see the weave under the color?\u003c\/label\u003e\n\u003cdiv class=\"so-tab-content\"\u003e\u003cp\u003eYes. The HSTL series uses the same carbon fiber wrapped bottle as our AeroLite tanks, finished in a solid color with the HSTL wordmark instead of a clear or smoke tint that shows the weave. You get the same lightweight, high-capacity carbon fiber construction in a bold, opaque finish.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"so-tab\"\u003e\n\u003cinput type=\"checkbox\" id=\"faq4-ob\"\u003e\n\u003clabel for=\"faq4-ob\"\u003eHow often does this tank need to be tested, and how long does it last?\u003c\/label\u003e\n\u003cdiv class=\"so-tab-content\"\u003e\u003cp\u003eThis cylinder requires hydro testing every 5 years and has a total service life of 15 years from date of manufacture.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\"@type\": \"Question\",\"name\": \"Is the regulator on this tank adjustable?\",\"acceptedAnswer\": {\"@type\": \"Answer\",\"text\": \"No, the HSTL regulator is pre-set to 800-850 psi output at the factory and is not user-adjustable.\"}},\n    {\"@type\": \"Question\",\"name\": \"Will this tank fit my marker?\",\"acceptedAnswer\": {\"@type\": \"Answer\",\"text\": \"Yes, the HSTL 68ci uses universal threading compatible with virtually all paintball markers.\"}},\n    {\"@type\": \"Question\",\"name\": \"Is this tank still carbon fiber even though I can't see the weave under the color?\",\"acceptedAnswer\": {\"@type\": \"Answer\",\"text\": \"Yes. The HSTL series uses the same carbon fiber wrapped bottle as our AeroLite tanks, finished in a solid color with the HSTL wordmark instead of a clear or smoke tint that shows the weave. You get the same lightweight, high-capacity carbon fiber construction in a bold, opaque finish.\"}},\n    {\"@type\": \"Question\",\"name\": \"How often does this tank need to be tested, and how long does it last?\",\"acceptedAnswer\": {\"@type\": \"Answer\",\"text\": \"This cylinder requires hydro testing every 5 years and has a total service life of 15 years from date of manufacture.\"}}\n  ]\n}\n\u003c\/script\u003e","brand":"HK Army","offers":[{"title":"Default Title","offer_id":41744770367621,"sku":"100-410-00140","price":184.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0042\/7347\/1606\/files\/100-410-00140.jpg?v=1784575998"},{"product_id":"hk-army-hstl-68ci-4500psi-carbon-fiber-air-tank-purple-white","title":"HK Army HSTL 68ci 4500psi Carbon Fiber Air Tank Purple White","description":"\u003ch2\u003eHK Army HSTL 68ci 4500psi Carbon Fiber Air Tank – Purple \/ White\u003c\/h2\u003e\n\n\u003cp\u003eStand out on the field with the HK Army HSTL 68ci in purple with white HSTL lettering. This carbon fiber wrapped compressed air (HPA) tank holds a full 4500 psi fill at only 2.6 lbs, giving you the air capacity of a 68ci bottle without the weight penalty of aluminum.\u003c\/p\u003e\n\n\u003cp\u003eOutput runs through an aircraft-grade aluminum regulator, pre-set to 800-850 psi so there's no manual adjustment needed. The ISO-USA approved cylinder — valid in the USA, Canada, and Europe — is protected by dual 1.8K and 7.5K burst disks, rated for a 15-year service life with hydro testing required every five years. It threads onto virtually any paintball marker thanks to universal threading, and ships with a fill nipple cover to keep the valve clean between fills.\u003c\/p\u003e\n\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e68 cubic inch carbon fiber wrapped bottle, 4500 psi capacity\u003c\/li\u003e\n\u003cli\u003eFinish: Purple \/ White with HSTL lettering\u003c\/li\u003e\n\u003cli\u003eAircraft-grade aluminum regulator, pre-set (non-adjustable)\u003c\/li\u003e\n\u003cli\u003eOutput pressure: 800-850 psi\u003c\/li\u003e\n\u003cli\u003eWeight: 2.6 lbs\u003c\/li\u003e\n\u003cli\u003eDimensions: 11.2\" length x 4.4\" width\u003c\/li\u003e\n\u003cli\u003eISO-USA approved cylinder — valid in the USA, Canada, and Europe\u003c\/li\u003e\n\u003cli\u003e1.8K and 7.5K burst disks\u003c\/li\u003e\n\u003cli\u003e15-year lifespan, hydro testing required every 5 years\u003c\/li\u003e\n\u003cli\u003eUniversal marker threading\u003c\/li\u003e\n\u003cli\u003eFill nipple cover included\u003c\/li\u003e\n\u003cli\u003eLimited 90-day warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eAlso Available\u003c\/h2\u003e\n\u003cp\u003eWant a lighter, more compact tank? Check out the \u003ca href=\"\/products\/hk-army-aerolite-48ci-4500psi-carbon-fiber-air-tank-clear\"\u003eHK Army AeroLite 48ci\u003c\/a\u003e. Prefer the same 68ci capacity in a clear or tinted carbon fiber finish instead of a solid color? See the \u003ca href=\"\/products\/hk-army-aerolite-68ci-4500psi-carbon-fiber-air-tank-clear\"\u003eHK Army AeroLite 68ci\u003c\/a\u003e. Browse the full lineup in \u003ca href=\"\/collections\/hk-army-air-tanks\"\u003eHK Army Air Tanks\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\n\u003cstyle id=\"hstl-68-pw-faq-style\"\u003e\n#hstl-68-pw-faq .so-tab { border-bottom: 1px solid #ddd; }\n#hstl-68-pw-faq .so-tab input { display: none; }\n#hstl-68-pw-faq .so-tab label { display: block; padding: 12px 0; cursor: pointer; font-weight: 600; position: relative; }\n#hstl-68-pw-faq .so-tab label::after { content: \"+\"; position: absolute; right: 0; }\n#hstl-68-pw-faq .so-tab input:checked ~ label::after { content: \"\\2212\"; }\n#hstl-68-pw-faq .so-tab .so-tab-content { max-height: 0; overflow: hidden; transition: max-height 0.3s ease; }\n#hstl-68-pw-faq .so-tab input:checked ~ .so-tab-content { max-height: 300px; padding-bottom: 12px; }\n\u003c\/style\u003e\n\n\u003cdiv id=\"hstl-68-pw-faq\"\u003e\n\u003cdiv class=\"so-tab\"\u003e\n\u003cinput type=\"checkbox\" id=\"faq1-pw\"\u003e\n\u003clabel for=\"faq1-pw\"\u003eIs the regulator on this tank adjustable?\u003c\/label\u003e\n\u003cdiv class=\"so-tab-content\"\u003e\u003cp\u003eNo, the HSTL regulator is pre-set to 800-850 psi output at the factory and is not user-adjustable.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"so-tab\"\u003e\n\u003cinput type=\"checkbox\" id=\"faq2-pw\"\u003e\n\u003clabel for=\"faq2-pw\"\u003eWill this tank fit my marker?\u003c\/label\u003e\n\u003cdiv class=\"so-tab-content\"\u003e\u003cp\u003eYes, the HSTL 68ci uses universal threading compatible with virtually all paintball markers.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"so-tab\"\u003e\n\u003cinput type=\"checkbox\" id=\"faq3-pw\"\u003e\n\u003clabel for=\"faq3-pw\"\u003eIs this tank still carbon fiber even though I can't see the weave under the color?\u003c\/label\u003e\n\u003cdiv class=\"so-tab-content\"\u003e\u003cp\u003eYes. The HSTL series uses the same carbon fiber wrapped bottle as our AeroLite tanks, finished in a solid color with the HSTL wordmark instead of a clear or smoke tint that shows the weave. You get the same lightweight, high-capacity carbon fiber construction in a bold, opaque finish.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"so-tab\"\u003e\n\u003cinput type=\"checkbox\" id=\"faq4-pw\"\u003e\n\u003clabel for=\"faq4-pw\"\u003eHow often does this tank need to be tested, and how long does it last?\u003c\/label\u003e\n\u003cdiv class=\"so-tab-content\"\u003e\u003cp\u003eThis cylinder requires hydro testing every 5 years and has a total service life of 15 years from date of manufacture.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\"@type\": \"Question\",\"name\": \"Is the regulator on this tank adjustable?\",\"acceptedAnswer\": {\"@type\": \"Answer\",\"text\": \"No, the HSTL regulator is pre-set to 800-850 psi output at the factory and is not user-adjustable.\"}},\n    {\"@type\": \"Question\",\"name\": \"Will this tank fit my marker?\",\"acceptedAnswer\": {\"@type\": \"Answer\",\"text\": \"Yes, the HSTL 68ci uses universal threading compatible with virtually all paintball markers.\"}},\n    {\"@type\": \"Question\",\"name\": \"Is this tank still carbon fiber even though I can't see the weave under the color?\",\"acceptedAnswer\": {\"@type\": \"Answer\",\"text\": \"Yes. The HSTL series uses the same carbon fiber wrapped bottle as our AeroLite tanks, finished in a solid color with the HSTL wordmark instead of a clear or smoke tint that shows the weave. You get the same lightweight, high-capacity carbon fiber construction in a bold, opaque finish.\"}},\n    {\"@type\": \"Question\",\"name\": \"How often does this tank need to be tested, and how long does it last?\",\"acceptedAnswer\": {\"@type\": \"Answer\",\"text\": \"This cylinder requires hydro testing every 5 years and has a total service life of 15 years from date of manufacture.\"}}\n  ]\n}\n\u003c\/script\u003e","brand":"HK Army","offers":[{"title":"Default Title","offer_id":41744770400389,"sku":"100-410-00141","price":184.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0042\/7347\/1606\/files\/100-410-00141.jpg?v=1784571486"},{"product_id":"hk-army-hstl-68ci-4500psi-carbon-fiber-air-tank-red-black","title":"HK Army HSTL 68ci 4500psi Carbon Fiber Air Tank Red Black","description":"\u003ch2\u003eHK Army HSTL 68ci 4500psi Carbon Fiber Air Tank – Red \/ Black\u003c\/h2\u003e\n\u003cp\u003eThe HK Army HSTL 68ci puts a bold red finish with black HSTL lettering on a full 4500 psi carbon fiber compressed air (HPA) tank. At just 2.6 lbs, it holds serious air capacity without the extra weight of an aluminum bottle, and the solid-color HSTL finish gives your setup a clean, branded look.\u003c\/p\u003e\n\u003cp\u003eAn aircraft-grade aluminum regulator is pre-set at the factory to output 800-850 psi, so there's nothing to adjust before you play. The cylinder itself is ISO-USA approved — valid in the USA, Canada, and Europe — backed by dual 1.8K and 7.5K burst disks for layered safety, and rated for a 15-year lifespan with hydro testing required every five years. Universal threading fits virtually any paintball marker, and a fill nipple cover is included to protect the valve between fills.\u003c\/p\u003e\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e68 cubic inch carbon fiber wrapped bottle, 4500 psi capacity\u003c\/li\u003e\n\u003cli\u003eFinish: Red \/ Black with HSTL lettering\u003c\/li\u003e\n\u003cli\u003eAircraft-grade aluminum regulator, pre-set (non-adjustable)\u003c\/li\u003e\n\u003cli\u003eOutput pressure: 800-850 psi\u003c\/li\u003e\n\u003cli\u003eWeight: 2.6 lbs\u003c\/li\u003e\n\u003cli\u003eDimensions: 11.2\" length x 4.4\" width\u003c\/li\u003e\n\u003cli\u003eISO-USA approved cylinder — valid in the USA, Canada, and Europe\u003c\/li\u003e\n\u003cli\u003e1.8K and 7.5K burst disks\u003c\/li\u003e\n\u003cli\u003e15-year lifespan, hydro testing required every 5 years\u003c\/li\u003e\n\u003cli\u003eUniversal marker threading\u003c\/li\u003e\n\u003cli\u003eFill nipple cover included\u003c\/li\u003e\n\u003cli\u003eLimited 90-day warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eAlso Available\u003c\/h2\u003e\n\u003cp\u003eWant a lighter, more compact tank? Check out the \u003ca href=\"\/products\/hk-army-aerolite-48ci-4500psi-carbon-fiber-air-tank-clear\"\u003eHK Army AeroLite 48ci\u003c\/a\u003e. Prefer the same 68ci capacity in a clear or tinted carbon fiber finish instead of a solid color? See the \u003ca href=\"\/products\/hk-army-aerolite-68ci-4500psi-carbon-fiber-air-tank-clear\"\u003eHK Army AeroLite 68ci\u003c\/a\u003e. Browse the full lineup in \u003ca href=\"\/collections\/hk-army-air-tanks\"\u003eHK Army Air Tanks\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\u003cstyle id=\"hstl-68-rb-faq-style\"\u003e\n#hstl-68-rb-faq .so-tab { border-bottom: 1px solid #ddd; }\n#hstl-68-rb-faq .so-tab input { display: none; }\n#hstl-68-rb-faq .so-tab label { display: block; padding: 12px 0; cursor: pointer; font-weight: 600; position: relative; }\n#hstl-68-rb-faq .so-tab label::after { content: \"+\"; position: absolute; right: 0; }\n#hstl-68-rb-faq .so-tab input:checked ~ label::after { content: \"\\2212\"; }\n#hstl-68-rb-faq .so-tab .so-tab-content { max-height: 0; overflow: hidden; transition: max-height 0.3s ease; }\n#hstl-68-rb-faq .so-tab input:checked ~ .so-tab-content { max-height: 300px; padding-bottom: 12px; }\n\u003c\/style\u003e\n\u003cdiv id=\"hstl-68-rb-faq\"\u003e\n\u003cdiv class=\"so-tab\"\u003e\n\u003cinput id=\"faq1-rb\" type=\"checkbox\"\u003e \u003clabel for=\"faq1-rb\"\u003eIs the regulator on this tank adjustable?\u003c\/label\u003e\n\u003cdiv class=\"so-tab-content\"\u003e\n\u003cp\u003eNo, the HSTL regulator is pre-set to 800-850 psi output at the factory and is not user-adjustable.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"so-tab\"\u003e\n\u003cinput id=\"faq2-rb\" type=\"checkbox\"\u003e \u003clabel for=\"faq2-rb\"\u003eWill this tank fit my marker?\u003c\/label\u003e\n\u003cdiv class=\"so-tab-content\"\u003e\n\u003cp\u003eYes, the HSTL 68ci uses universal threading compatible with virtually all paintball markers.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"so-tab\"\u003e\n\u003cinput id=\"faq3-rb\" type=\"checkbox\"\u003e \u003clabel for=\"faq3-rb\"\u003eIs this tank still carbon fiber even though I can't see the weave under the color?\u003c\/label\u003e\n\u003cdiv class=\"so-tab-content\"\u003e\n\u003cp\u003eYes. The HSTL series uses the same carbon fiber wrapped bottle as our AeroLite tanks, finished in a solid color with the HSTL wordmark instead of a clear or smoke tint that shows the weave. You get the same lightweight, high-capacity carbon fiber construction in a bold, opaque finish.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"so-tab\"\u003e\n\u003cinput id=\"faq4-rb\" type=\"checkbox\"\u003e \u003clabel for=\"faq4-rb\"\u003eHow often does this tank need to be tested, and how long does it last?\u003c\/label\u003e\n\u003cdiv class=\"so-tab-content\"\u003e\n\u003cp\u003eThis cylinder requires hydro testing every 5 years and has a total service life of 15 years from date of manufacture.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"HK Army","offers":[{"title":"Default Title","offer_id":41744770433157,"sku":"100-410-00143","price":184.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0042\/7347\/1606\/files\/100-410-00143.jpg?v=1784570989"}],"url":"https:\/\/www.discountpaintball.com\/collections\/hk-army-68ci-hstl-air-systems.oembed","provider":"Discount Paintball","version":"1.0","type":"link"}