7.5" AR15 | .300 BLK Barrel Blackout

This AR-15 7.5" Black Nitride .300 blackout Government barrel has a pistol length gas system with a 1:8 twist rate. 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. Use a ar barrel in your next AR15 build and experience superior performance backed by a lifetime warranty!