CMMG RESOLUTE MK4 | 300 AAC Blackout | 16.1″ | 30rd

The CMMG Resolute Mk4 is a modern sporting rifle chambered in .300 AAC Blackout with a 16.1-inch barrel and a Cerakote Midnight Bronze / bi-tone finish. It is built on the Mk4 AR platform and ships with a Magpul 30rd PMAG, M-LOK handguard and a number of zeroed components for immediate use. Pair this rifle with a Vortex Strike Eagle 1-8×24 for a durable optic that sits comfortably under $1000 and provides flexible close-to-mid-range aiming capability.

Well-suited applications for this rifle include suppressed shooting with subsonic loads and recreational short-range target work.

Product Specifications

• The caliber is .300 AAC Blackout.
• The action is Semi-Automatic.
• The barrel measures 16.1 inches for balanced handling.
• The overall length is 32.5 inches.
• The weight is 6.44 pounds.
• The magazine capacity is 30 rounds.
• The rifle uses a detachable magazine.
• The rate of twist is 1:7″.
• The stock material is synthetic.
• The finish is Cerakote Midnight Bronze (bi-tone).
• The handguard is CMMG EML15 M-LOK.
• Other notable features include Zeroed trigger; Zeroed pistol grip; CMMG Ripstock butt stock; .750″ carbine gas system; 5/8-24″ muzzle threads; Zeroed SV muzzle brake; 4140 CM barrel material; ambidextrous controls.
• Includes Magpul 30rd PMAG.
• The rifle ships with no iron sights.
• The product UPC is 810144724065.

The Resolute Mk4 is a purpose-built AR platform variant that combines a .300 AAC Blackout chambering with CMMG’s Ripstock ergonomics and M-LOK handguard design. Its combination of a common AR-style parts interface, ambidextrous controls and Cerakote finish make it a practical choice for shooters who value component commonality and a durable finish. The rifle’s configuration with a 30-round magazine and zeroed components makes it ready for range use and for suppressed, subsonic testing where legal and appropriate.

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