16" AR15 12.7x42 Barrel

This AR-15 16" heavy, parkerized 12.7x42 barrel has a carbine length gas system with a 1:20 twist. Our 12.7x42 parkerized rifle barrels are made from the finest 4150 Chrome Moly Vanadium and precisely rifled for high accuracy at a great price. Use a ar barrel in your next AR15 build and experience superior performance backed by a lifetime warranty!