The LAPCO Apex Ready Tip for the BigShot Assault and Str8Shot barrel systems, adds functionality to the marker. It acts as an adapter allowing the full use of the BT Apex Tip. The LAPCO Apex Ready Tip has the added extra benefit of being precisely engineered for use with a BT Apex Tip. The special metal ridges built into the tip allow optimal use of the BT Apex Tip. Full functionality of the tip is possible, including 360º rotation, optimum accuracy through perfect concentric alignment, and secure tip mounting to the barrel.Don’t settle for partial functionality due to a home-made electrical tape modification.