Model: B2-K869-A023 UPC: 676351707945 Caliber: .223 Rem / 5.56 NATO Barrel: 16” Barrel Material: 4150 Chrome Moly Vanadium Nitride finish Twist Rate: 1:8 Gas System Length: Carbine Length Gas System Type: Low Profile Gas Block Diameter: .750 inch Charging Handle: Standard Charging Handle Bolt Carrier Group: Standard M16 Profile Handguard: 15” 7075-T6 Aluminum Handguard Hand Guard Type: M-Lok Handguard: M-Lok Pistol Grip: A2 Style Thread Pattern: 1/2 – 28 Muzzle Device: A2 Flash Hider Weight: 7lbs Magazine:  One (1) 30rd Black metal magazine w/ orange follower included