Caliber: 223 Rem / 5.56 NATO – Stock: Black Synthetic – Finish: Matte – Rear Sight: Adjustable – Front Sight: Blade – Barrel Length: 16.12 – Overall Length: 36.75 – Material: Stainless Steel – Length of Pull: 13.00 – Weight: 6.75 lbs. – Capacity: 20 – Grooves: 6 – Twist: 1:9 RH – Features: Garand-Style Action Hammer-Forged Barrel Sighting System Integral Scope Mounts 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.