CMMG RESOLUTE MK4 300BLK 16.1 | 30AE70AAB

The CMMG RESOLUTE Mk4 in .300 AAC Blackout is a carbine-length AR built on the Mk4 platform featuring ZEROED components and a RipStock for an adaptable, user-focused setup. It ships with a Magpul 30rd PMAG and an EML15 M-LOK handguard to support a wide range of accessories. This configuration is intended for shooters who want a purpose-driven .300 BLK rifle in a full-length carbine format. Pair this rifle with a Vortex Strike Eagle 1-6×24 LPVO, an optic commonly available for under $1,000, for a versatile low-power variable suited to close-to-medium range work.

Applications for this rifle include suppressed subsonic shooting and medium-range supersonic shooting or training on the range.

Product Specifications

• The UPC is 810144724034.
• The manufacturer is CMMG.
• The model is Resolute Mk4.
• The caliber is .300 AAC Blackout.
• The action is Semi-Auto.
• The barrel length is 16.1 inches.
• The barrel twist is 1:7.
• The barrel material is 4140CM SBN.
• The muzzle device is a CMMG ZEROED Muzzle Brake.
• The muzzle thread is 5/8 x 24.
• The gas port location is Carbine.
• The gas block is 0.750 Non-Adjustable.
• The upper receiver is Billet 6061 T6 Aluminum.
• The lower receiver is Mk4 Forged 7075 T6 Aluminum.
• The finish is Cerakote.

The RESOLUTE Mk4 is laid out to be immediately usable from the range and straightforward to customize over time. Its combination of ZEROED components, a full-featured receiver set, and a proven .300 BLK chambering provide a balanced platform for shooters seeking a versatile carbine that works well suppressed or in supersonic configurations. The included Magpul magazine and ambidextrous controls make it practical for a wide range of users while preserving room for personal upgrades.

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