CMMG Resolute MK4 – Semi-automatic Rifle – 5.56 NATO – 16.1″ Barrel – Cerakote Finish – Tungsten – CMMG Zeroed Muzzle Brake – 15″ Free Float M-LOK Handguard – Zeroed Pistol Grip – CMMG RipStock – Manual Safety – 30 Rounds – 1 Magazines 55A9D0B-TNG