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

This AR-15 7.5" heavy parkerized 300 blackout barrel has a pistol gas system with a 1:8 twist. Our 300 parkerized pistol barrels are made from the finest 4150 Chrome Moly Vanadium and precisely rifled for high accuracy at a great price.