Caliber: 223 Rem / 5.56 NATO – Stock: Black Synthetic – Finish: Blued – Rear Sight: Adjustable – Front Sight: Blade – Barrel Length: 18.50 – Overall Length: 37.50 – Material: Alloy Steel – Length of Pull: 13.00 – Weight: 6.75 lbs. – Capacity: 5 – Grooves: 6 – Twist: 1:9 RH – Features: Garand-Style Action Hammer-Forged Barrel Sighting System Integral Scope Mounts Flat Buttpad Simple rugged garand-style action with breechbolt locking system a fixed-piston gas system and self-cleaning moving gas cylinder unparalleled reliability under harsh operating conditions.