Description American-made with US steel Heat-treated steel construction with manganese phosphate finish USGI barrel nut wrench Free-float tube barrel nut wrench 1/2″ torque wrench/breaker bar interface Armorer’s hammer Rifle-length/Entry-length receiver extension wrench USGI castle nut wrench*, usable with aftermarket end plates such as the ASAP® and ASAP®-QD 3/4″ wrench for most flash hiders/muzzle brakes USGI torque spec references Bottle Opener NOTE: Not compatible with larger pistol-style receiver extension tubes
