Action: Semi-Auto – Caliber: 5.56 NATO – Capacity: 20rd – Barrel: 16.1 (1:9) with Flash Suppressor Blued – Sights: Adjustable Rear Blade Front – Receiver: Alloy Steel Blued – Stock: Synthetic Black – Length of Pull: 13 – Length: 36.75 – Weight: 6.75 lbs. – Simple Rugged-Garand style action with breechbolt locking system a fixed-piston gas system and self-cleaning moving gas cylinder gives unparalleled reliability under harsh operating conditions – Compact hammer-forged barrel with flash suppressor – Accurate sighting system with ghost ring adjustable rear aperture sight and a protected non-glare post front sight – Patented integral scope mounts machined directly on the solid-steel receiver provide a stable mounting surface for scope rings eliminating a potential source of looseness and inaccuracy in the field (scope rings included FREE).