Barrel: 18" Length 4140 Chrome-moly steel bull barrel 6 grooves, right-hand 1x10 twist, button rifled Chamber: .308 Winchester Method of Operation: Gas operated rotating bolt Bolt & Carrier: 8620 steel bolt carrier, heat treated and plated per Mil Spec Phosphated steel bolt, heat treated and plated per Mil Spec Sights: None (mounting optics only) Weight: Empty - 9.65 lbs. Length: 37.5" | Upper Receiver: Thick walled, extruded from 6066-T6 aluminum Hard coat anodized per Mil Spec and Teflon coated black No dust cover Snag free design, smooth side look No shell deflector No forward assist Right hand ejection Raised Picatinny rail for easy scope mounting Lower Receiver: Milled from a solid billet of 6061-T6 aluminum Hard coat anodized per Mil Spec and Teflon coated black integral trigger guard Aluminum magazine release button Standard AR-15 trigger group Stock: Standard A2 Black Zytel Mil Spec w/trap door assembly Handguards: Carbine length ribbed free float tube. ACCESSORIES NOT INCLUDED |