JP ENTERPRISES, INC.

Firearms, rifles, custom-built gas operated semi-automatic competition and tactical rifles, firearms trigger assemblies, firearm gas system blocks, firearm barrel heat sinks, firearm bolt carriers including low mass firearm bolt carriers providing minimum recoil, firearm hand guards, firearm rifle stocks, firearm tension pins adapted to rigidly mount upper and lower receivers together, firearm muzzle compensators, tactical compensators, upper firearm assemblies, center fire and rim fire upper rifle assemblies, gun sights, double ring gun sights, detachable firearm sights, non-telescopic dot reflex gun sights and dot reflex gun sights mounting adapters, firearm anti-cant devices, case gages, handgun components