The CMMG Resolute Mk4 is a carbine-length rifle built on the Mk4 AR-15 platform chambered in 350 Legend. It pairs a 16.1″ threaded barrel with CMMG’s ZEROED parts suite and the EML15 M-LOK handguard for a compact, adaptable shooting package. The rifle is finished in Cerakote Armor Black and ships with a 10-round detachable magazine.
Key Specifications
- Chambered in 350 Legend for compatibility with straight-walled hunting cartridges.
- Action is Semi-Auto (direct impingement operating system as provided).
- The barrel measures 16.1 inches and is listed as a carbine-length profile.
- The barrel twist is 1:16.
- The barrel material is listed as 4140CM SBN.
- The muzzle is threaded 1/2 x 28 and is fitted with a CMMG ZEROED muzzle brake.
- Gas system is a .750 carbine gas system with a non-adjustable gas block.
- Handguard is the CMMG EML15 M-LOK for modular accessory attachment.
- Included magazine capacity is 10 rounds (detachable magazine).
- Lower receiver is listed as Mk4 Forged 7075 T6 Aluminum.
The Resolute Mk4 is configured for shooters who want a compact, purpose-built rifle that balances maneuverability with cartridge performance. Features like the EML15 handguard, RipStock, and ZEROED ambidextrous controls make it well suited for field use where a straight-walled hunting cartridge is required or for general utility in a carbine-length AR platform. The combination of materials and factory-installed components provides a turnkey option for those who value proven parts and straightforward functionality.
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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