The CMMG Resolute MK4 is a carbine-length AR platform built for modularity and everyday practicality. Chambered in .300 AAC Blackout with a 16.1-inch barrel, it pairs proven AR ergonomics with CMMG’s ZEROED parts and accessories. The rifle ships with a Magpul 30-round PMAG and a RipStock for a compact, adaptable package.
Key Specifications
- The caliber is .300 AAC Blackout.
- The action is Semi-Auto.
- The barrel measures 16.1 inches for carbine-length handling.
- The barrel twist is 1:7.
- The muzzle device is a CMMG ZEROED Muzzle Brake threaded 5/8 x 24.
- The standard magazine capacity is 30 rounds (Magpul 30rd PMAG included).
- The handguard is a CMMG EML15 M-LOK with M-LOK attachment points.
- The stock is a CMMG RipStock with a 6-position receiver extension and ambi sling plate.
- The finished weight is 6.2 lbs.
- The overall length is 32.5 inches.
Built on CMMG’s Mk4 receiver set and fitted with ZEROED controls and accessories, this Resolute MK4 balances familiar AR ergonomics with factory-installed ambidextrous features and modern mounting options. The EML15 handguard and M-LOK interface keep the rifle lightweight and accessory-ready, while the RipStock and ZEROED controls support straightforward operation for a range of applications from everyday carry-style compact rifles to precision-oriented setups when paired with appropriate ammunition and optics.
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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