CMMG Resolute Mk57 5.7x28mm 16.1" Armor Black

The CMMG Resolute Mk57 is a semi-automatic MSR chambered in 5.7x28mm designed for home defense, range use, and compatible carry pairings with FN Five-seveN pistols. Features a forged 7075-T6 aluminum upper and lower receiver with a hard-coat anodized Armor Black finish. The 16.1" medium-profile 4140 chrome moly steel barrel delivers excellent velocity with the lightweight 5.7x28mm cartridge and is paired with a carbine-length direct impingement gas system. Equipped with CMMG's free-float M-LOK handguard for accessory mounting versatility. Ships with a Magpul MOE fixed stock, MOE pistol grip, and mil-spec trigger group. The Mk57 platform is engineered exclusively to accept FN Five-seveN style magazines, retaining last-round bolt hold open functionality. Ships with one magazine.