The CMMG RESOLUTE Mk4 is a compact AR-platform carbine chambered in .300 BLK and finished in coyote tan. Built on the Mk4 AR15 platform, it pairs a 16.1 barrel and CMMG ZEROED components for a modular, ready-to-configure rifle. The package includes a Magpul 30rd PMAG and CMMG-only fittings like the RipStock and ZEROED ambidextrous controls.
Key Specifications
- The rifle is chambered in .300 BLK.
- The barrel measures 16.1.
- The barrel twist rate is 1:7.
- The operating system is Direct Impingement.
- The upper receiver is made from Billet 6061 T6 Aluminum.
- The lower receiver is Mk4 Forged 7075 T6 Aluminum.
- The handguard is a CMMG EML15 M-LOK unit.
- The muzzle outfit is a CMMG ZEROED Muzzle Brake with 5/8 x 24 threads.
- The rifle ships with a Magpul 30rd PMAG.
- The listed weight is 6.2 lbs.
The RESOLUTE Mk4 brings CMMG-specific ergonomics and parts selection to a compact .300 BLK platform. Its combination of a short-profile barrel, M-LOK handguard and ZEROED controls make it a practical choice for users who value modularity, low weight and a rock-solid parts pedigree in a carbine-length AR configuration.
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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