20" AR-15 6.5 Grendel Heavy Barrel | Rifle Length Gas System

This AR-15 20" heavy parkerized 6.5 Grendel barrel has a rifle length gas system with a 1:8 twist. Our 6.5 Grendel parkerized rifle barrels are made from the finest 4150 Chrome Moly Vanadium and precisely rifled for high accuracy at a great price.