This Bear Creek Arsenal AR-15 16″ heavy, parkerized 12.7×42 barrel has a carbine length gas system with a 1:20 twist. Our 12.7×42 parkerized rifle barrels are made from the finest 4150 Chrome Moly Vanadium and precisely rifled for high accuracy at a great price. Use a Bear Creek Arsenal ar barrel in your next AR15 build and experience superior performance backed by a lifetime warranty!
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All finished barrels go through a 100% inspection process. Inspections Equipment includes CMMs and Air Gauges for the bores as well as visual and machine inspection.
We recommend Defender 350 gr. ammo
