SIGM400 SWAT 5.56mm NATO 16 Inch Barrel Nitride Finish Six-Position Collapsing Stock 30 Round

Direct impingement operating system with rotating locking bolt. Sixteen inch Nitride treated barrel with 1:7 inch rifling. 7075-T6 aircraft grade aluminum forged lower receiver. Two-piece aluminum quad rail. A2 type flash suppressor. "F" marked fixed front sight. AR-15 type aluminum magazine. Six-position collapsing stock.