Faxon Firearms 15B35P7NGQ5RNP3 Match Series Gunner 300 Blackout 7.50″ Threaded Black QPQ Stainless Steel, Fits AR15
LBE Unlimited BAR145M AR-15 Replacement Barrel 5.56x45mm NATO 14.50″ Cold Hammer Forged, Threaded, Black Nitride, Fits AR-15
Diamondback 65M18M50B8R DB Barrel 6.5 Grendel 18″ Mid-Length Black Nitride 4150 Chrome Moly Vanadium Steel