AR-STONER Barrel AR-15 6.5 Grendel Heavy Barrel Contour Rifle Length Gas System 1:8 Twist 20" 4150 Black Nitride

These AR-STONER AR-15 barrels are made from the finest 4150 Chrome Moly Vanadium and precisely rifled for high accuracy at a great price. Use an AR-STONER ar barrel in your next AR15 build and experience superior performance. All finished barrels go through a 100% inspection process. Inspections Equipment includes CMMs and Air Gauges for the bores as well as visual and machine inspection.