The "HAVOC" is the first launcher built on a modular platform. Using a single base unit you will be able to convert your launcher into many formats simply by adding kits to your original purchase. Did you start with the under mount launcher? Simply buy the Rifle Kit and you now have two launcher configurations without having to buy a whole new launcher. Metadyne and UMS is working to add kits and upgrades to this launcher through out the next year, Breach load, Bazooka, law configurations to name a few. Destroy enemy tanks, bunkers and buildings from a safe distance with this Launcher. Shoots two inch Vortex Footballs 100 yards!!! Comes with shoulder stock.