| Barrel: 16" Length 416 Stainless steel bull barrel 6 grooves, right-hand 1x9 twist, button rifled Chamber: .223 Remington 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 - 7.75 lbs. Length: 34 11/16" | Upper Receiver: A3 style flattop, Forged 7075-T6 aircraft aluminum alloy Hard coat annodized per Mil Spec and teflon coated black Dust cover Shell deflector Round forward assist Right hand ejection Lower Receiver: Forged 7075-T6 aircraft aluminum alloy Hard coat annodized per Mil Spec and Teflon coated black Semi-Auto trigger group Aluminum trigger guard Aluminum magazine release button Stock: Standard A2 Black Zytel Mil Spec w/trap door assembly Handguards: Aluminum ribbed Carbine Length free float tube. |