Barrel Length: 16”Barrel Material: 4150V Chrome Moly Vanadium SteelBarrel Finish: PhosphateBarrel Profile: M4Chamber: 5.56 NATOTwist Rate: 1 in 7”Extension: M4Gas System: Carbine-LengthGas Block Type: Low Profile .750” DiameterUpper Receiver: Forged 7075 T6 AluminumReceiver Style: M4 Flat top with feed rampsReceiver Finish: Hardcoat AnodizedForward Assist: YesDust Cover: YesHandguard Style: PSA 13.5″ Lightweight M-Lok Free Float RailBolt Steel: Carpenter 158, Mag Phosphate coatedBolt Carrier Steel: 8620, Chrome LinedStaked Gas Key: YesLower Receiver: Forged 7075 T6 AluminumReceiver Finish: Hardcoat AnodizedFire Control Group: PSA AR-15 Mil-Spec Fire Control GroupBuffer Tube: 7075 T6 Aluminum Mil-Spec TubeAdjustment: 6-position collapsibleStock: PSA Classic Carbine StockMagazine: (1) 30-Round Magazine (where available by law)Weight: 7 LbsLength: 32″