Chambered in .300 AAC Blackout, the CMMG Resolute MK4 is built on the Mk4 AR-15 platform and designed to accept common AR components. It features a 16.1-inch barrel, a 30-round detachable magazine and a Cerakote Midnight Bronze two-tone finish. The rifle is configured for suppressed use and is suitable for home-defense and specialized shooting applications where subsonic compatibility is desired.
Key Specifications
- The cartridge is .300 AAC Blackout.
- The action is Semi-Automatic.
- The barrel measures 16.1 inches.
- The overall length is 32.5 inches.
- The unloaded weight is 6.44 pounds.
- The magazine capacity is 30 rounds with a detachable magazine.
- The finish is Cerakote Midnight Bronze / Bi-tone.
- The rate of twist is 1:7″.
- The stock material is synthetic.
- Notable features include ambidextrous controls and a .750″ carbine gas system.
The Resolute MK4 pairs modern AR ergonomics with .300 BLK compatibility and user-focused features such as an EML15 M-LOK handguard, ZEROED drop-in parts, and included Magpul 30rd PMAG. Its configuration supports suppressed, subsonic, and supersonic loadings where applicable, offering a versatile platform for shooters seeking a purpose-built AR chambered in .300 AAC Blackout.
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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