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Manufacturer Part #: 57A3FFD-MB
UPC: 816422029761

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CMMG, Mk57 Resolute 300, Semi-automatic Rifle, 5.7X28MM, 16.1" Barrel, 1:9 Twist, Aluminum Frame, Midnight Bronze Cerakote, CMMG RipStock, SV Brake, Threaded 1/2-28, CMMG RML15 MLOK Hand Guard, 20Rd ProMag Magazine


WARNING: This product can expose you to a chemical (or Chemicals)such as lead that is (are) known to the State of California to cause cancer (or birth defects or other reproductive harm). For More information go to


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Product Description

The RESOLUTE 300 is CMMG's most feature-filled configuration. CMMG's Premium Cerakote comes standard on 300 Series models - choose from one of ten different colors. It is built with CMMG's Mk57 lower receiver, Geissele SSA Two-Stage Trigger and Magpul MOE pistol grip. It comes with a CMMG Ambi Charging Handle and Ambi Safety Selector, along with CMMG's RipStock or RipBrace pre-installed, depending on configuration. The upper receiver has a 16-inch barrel and features CMMG's patented Radial Delayed Blowback operating system. It ships with one 20-round Pro Mag.