CMMG Resolute Mk4 .300 BLK 14.5″ Pinned & Welded 30rd Coyote Tan

About this product

The CMMG Resolute Mk4 is a compact AR-platform rifle chambered in .300 AAC Blackout designed for versatile use in short-barrel configurations and suppressed setups. It ships with a 14.5" medium-taper threaded barrel fitted with a ZEROED SVD brake that has been pinned and welded to produce a 16.1" overall barrel length while retaining rifle classification. Built on the Mk4 AR15 platform, this configuration includes ZEROED parts such as the drop-in trigger, ambidextrous controls, and a Magpul 30-round PMAG. The coyote tan finish and EML handguard with M-LOK slots deliver practical modularity and a balanced profile.

Key Specifications

• Chambered in .300 AAC Blackout for compatibility with a wide range of supersonic and subsonic loadings.
• The barrel measures 14.50" and is described as a medium taper, threaded design.
• The configuration includes a pinned and welded ZEROED SVD muzzle device yielding a 16.1" overall barrel length while remaining a rifle.
• The rifle ships with a 30 + 1 capacity Magpul 30rd PMAG included.
• The overall length is 30.90" for a compact handling profile.
• The unloaded weight is approximately 6 lbs, placing it in a light carbine class.
• The twist rate is 1:7″ to stabilize a wide range of bullet weights suitable for this caliber.
• The action operates as a Semi-Auto AR-platform design.
• The trigger is a Zeroed Drop-In Single Stage for a consistent pull character.
• The furniture includes a CMMG 6 Position RipStock finished in brown/coyote tan.

Compact, versatile, and built with purpose, the Resolute Mk4 delivers AR-platform familiarity with .300 BLK performance and a configuration ready for suppressed or close quarters use. Its blend of ZEROED components, modular M-LOK handguard, and included Magpul magazine make it a practical choice for shooters who want a capable, short-length rifle that maintains rifle classification without additional modifications.

Related Videos: