Lead & Steel AR-9 9mm Threaded AR Barrel 4.5in Straight Blowback 1-10 Twist 1/2x28 Nitride Black

Lead & Steel AR-9 9mm Threaded AR Barrel 4.5in Straight Blowback 1-10 Twist 1/2x28 Nitride Black. Please note: A .223/5.56 flash hider will not have enough clearance for a 9mm round to pass. Before installing a muzzle device ensure a 9mm round will drop freely through the muzzle device bore. Specifications for Lead & Steel AR-9 9mm Threaded AR Barrel: Manufacturer: Lead & Steel Color: Black Finish: Nitride Fabric/Material: 4150 Chrome-Moly Vanadium Steel Caliber: 9mm Luger Barrel Profile: Straig