CMMG Resolute MK4 5.56 NATO 16.1in Midnight Bronze

About this product

The CMMG Resolute MK4 is a modern sporting rifle chambered for .223 Rem/5.56 NATO with a 16.1-inch medium-taper barrel and a Cerakote Midnight Bronze bi-tone finish. It ships with a Magpul 30-round PMAG and features CMMG’s EML15 M-LOK handguard, ambidextrous controls, and a CMMG RipStock buttstock. The rifle uses a .750″ mid-length gas system and a 1:7 twist rate, providing compatibility with a wide range of 5.56/.223 loads. Built for range use, competition, and general-purpose applications where reliability and ergonomic controls matter.

Key Specifications

• The rifle is chambered in .223 REM/5.56 NATO.
• The barrel measures 16.1 inches and is a medium-taper, threaded profile.
• The action is Semi-Automatic.
• The rifling twist rate is 1:7.
• The magazine capacity is 30 rounds and a Magpul 30rd PMAG is included.
• The unloaded weight is approximately 6.44 lbs.
• The overall length is 32.5 inches.
• Features a CMMG EML15 M-LOK handguard for modular accessory mounting.
• Equipped with a CMMG 6-position RipStock and ambidextrous controls.
• Finished in Cerakote Midnight Bronze (bi-tone) with aluminum construction for key components.

Practical and thoughtfully configured, the Resolute MK4 balances controllability, accessory flexibility, and a familiar AR-style ergonomics package. Its combination of a mid-length gas system, 16.1-inch barrel, and 1:7 twist rate makes it suitable for a broad set of duty, competition, and range roles while the M-LOK handguard and ambidextrous controls support user customization and comfortable operation.

Related Videos: