Description
Upper Receiver Type: A3Flat-Top Barrel Length: 16″ Barrel Contour: M4 Barrel Material: Chrome Moly Muzzle Thread Pattern: 1/2″-28 Chrome Lined: Yes Barrel Finish: Matte Twist Rate: 1 in 7″ Chamber: 5.56x45mm M4 Feed Ramps: Yes Muzzle Device: A2 Flash Hider Gas System Length: Carbine Gas Block Diameter: 0.750″ Handguard: NONE Bolt Carrier Assembly Included: Yes Bolt Carrier Type: Mil-Spec
