16" AR15 6.5 Grendel Barrel AR15 6.5-Grendel Barrel AR15-Barrel 6.5-Grendel (3)

This AR-15 16" Black Nitride M4 Contour barrel with a 1:8 twist rate and Carbine length gas system. Our 6.5 Grendel black nitride rifle barrels are made from the finest 4150 Chrome Moly Vanadium and precisely rifled for high accuracy at a great price.