10.5" AR15 .300 BLK Barrel AR15 .300-BLK Barrel AR15-Barrel .300 Blackout

This AR-15 10.5" heavy, parkerized 300 Blackout has a pistol length gas system with a 1:8 twist. Our 300 Blackout parkerized pistol barrels are made from the finest 4150 Chrome Moly Vanadium and precisely rifled for high accuracy at a great price.