CMMG Resolute MK4 .300 AAC Blackout

The CMMG Resolute MK4 is an AR-platform modern sporting rifle built around the .300 AAC Blackout cartridge for flexibility across range use, suppressed subsonic loadings, and defensive applications. Its configuration is intended to use common M4/AR-15 components while delivering .30-caliber performance in a compact profile suitable for shorter barrels and suppressed setups.

The rifle is finished in Cerakote Midnight Bronze with bi-tone metal accents and ships with ambidextrous controls and a synthetic stock for durable, consistent handling. The CMMG EML15 M-LOK handguard provides modular accessory mounting with full-length M-LOK slots and top Picatinny sections for optics and sighting systems.

Key Specifications

• The caliber is .300 AAC Blackout.
• The barrel length is 16.1 inches.
• The action is Semi-Automatic.
• The rate of twist is 1:7″.
• The finish is plated as Cerakote Midnight Bronze.
• The stock material is Synthetic.
• The overall length is 32.5 inches.
• The weight is 6.44 pounds.
• The magazine capacity is 30 rounds.
• The rifle includes a Magpul 30rd PMAG as shipped.

For shooters seeking a versatile .300 AAC Blackout option built on the AR platform, the CMMG Resolute MK4 offers reliable controls, a modular M-LOK handguard, and a durable Cerakote finish. Buy the CMMG Resolute MK4 .300 AAC Blackout rifle online today.

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