The CMMG Resolute”’ Mk4 is a semi-automatic modern sporting rifle built around a 5.7x28mm chambering and a carbine-length 16.1″ barrel. It uses CMMG’s Mk4 components including the RipStock and EML15 M-LOK handguard and ships finished in Cerakote Armor Black. The platform emphasizes modularity and compatibility with AR-style ergonomics and magazines designed for the 5.7 family.
Key Specifications
- Manufacturer: CMMG.
- Model: Resolute Mk4.
- Caliber: 5.7x28mm.
- Action: Semi-Automatic.
- Barrel length: 16.1 inches.
- Rate of twist: 1:9″.
- Barrel material: 4140 CM.
- Weight: 6.44 pounds.
- Handguard: CMMG EML15 M-LOK.
- Stock: CMMG RipStock (synthetic, black).
The Resolute Mk4 blends AR-style familiarity with the unique ballistics of the 5.7x28mm cartridge, packaged with CMMG’s ZEROED components and ambidextrous controls for straightforward handling. Its combination of a medium-contour 16.1″ 4140 CM barrel, M-LOK handguard and RipStock makes it well suited for shooters seeking a modular, lightweight carbine platform for range use and general utility.
Product information is supplied by the manufacturer and/or distributor and may be automatically formatted or enhanced using AI for clarity and consistency. While we strive for accuracy, specifications, features, and included items may change without notice. Always verify details using the manufacturer’s official documentation and the information shown on this product page before purchase or use.
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