CMMG Resolute Mk57 5.7x28 16.1" Semi-Auto Rifle, Armor Black - CMMG 57A230FAB

The CMMG Resolute Mk57 is a 5.7x28mm semi-automatic rifle with a 16.1" barrel designed to accept FN Five-seveN style magazines while maintaining standard AR functionality including last round bolt hold open. This platform allows shooters to use the same lightweight, fast round and magazines across both pistol and carbine platforms. The 5.7x28mm cartridge offers minimal recoil, excellent penetration at short ranges, and fast velocity in a compact package.