Item #65010, 5.56 NATO (.223 Rem.), 16.25" Barrel with A2-Style Muzzlebrake, Black Phosphate/Anodized Aluminum Finishes, Stark® SE-1 Pistol Grip with Battery Compartment, 6-Position Adjustable Tactical Stock, Picatinny Quad-Rail Forearm and Top Rail, 30 Round Magazine