18" AKM, DMR Pattern, 7.62x39, 1-8 Twist, Nitride
18" AKM, DMR Pattern, 7.62x39, 1-8 Twist, Nitride, Barrel Material: 4150 Chrome Moly Barrel Type: Button Rifled Barrel Caliber: 7.62x39 Barrel Twist: 1:8 Barrel Length: 18" Barrel Profile: AKM profile Barrel Gas System: Gas port not drilled Inside Finish: Salt Bath Nitride Outside Finish: Salt Bath Nitride Muzzle Thread: 14x1 LH Weight: 1.21 lbs Magnetic Particle Inspected! 11-degree Target Crown Chamber Outside Diameter: .908 Diameter At Front Site Base: .574 Tech note: Faxon's AKM barrels have a bore diameter of .308"