CMMG Resolute MK4, Semi-automatic Rifle, 5.56 NATO, 16.1" Barrel, Cerakote Finish, Armor Black, CMMG Zeroed Muzzle Brake, 15" Free Float M-LOK Handguard, Zeroed Pistol Grip, CMMG RipStock, Manual Safety, 30 Rounds, 1 Magazines 55A9D0B-AB