This fallout10 rifle features a 18" 4150 chrome moly barrel with a black nitride finish, a2 flash hider, luth-ar mba-1 stock, and a black hardcoat anodized receiver finish.Metal Finish: Black Hardcoat Anodized/Black NitrideAction: Semi-AutoCaliber: 308 WinBarrel Length: 18"Capacity: 10+1Trigger: G.I. TriggerOal: 39"Weight: 9.94 lbsStock Description: Luth-AR MBA-1Muzzle: A2 Flash HiderReceiver Material: 7075 T6 AluminumSights: None, Optic ReadyBarrel Description: 4150 Chrome MolyTwist: 1:10"Barrel Length Range: 18" to 18.99"Weight Range: 9 lbs to 9.99 lbsHand: RightStock Finish Group: BlackMetal Finish Group: Blued/Black