CMMG Dissent MK4 6mm ARC 16.1" Barrel - Midnight Bronze Finish

The CMMG Dissent MK4 chambered in 6mm ARC delivers exceptional long-range performance in a compact, lightweight platform. This rifle combines CMMG's proven manufacturing quality with the ballistic advantages of the 6mm ARC cartridge for precision shooting applications.

What Makes This Different

The Dissent MK4 features CMMG's proprietary barrel manufacturing process and enhanced bolt carrier group design optimized specifically for the 6mm ARC cartridge. Unlike standard AR-15 platforms, this rifle incorporates a specialized chamber geometry and rifling twist rate that maximizes the 6mm ARC's inherent accuracy potential. The midnight bronze Cerakote finish provides superior corrosion resistance compared to standard phosphate coatings while maintaining a professional appearance.

Key Features

• 16.1-inch medium-heavy profile barrel with 1:7.5 twist rate optimized for 6mm ARC
• Midnight bronze Cerakote finish on all metal components for enhanced durability
• CMMG's Enhanced Bolt Carrier Group with proprietary coating
• Standard AR-15 lower receiver compatibility with existing accessories
• Free-floating M-LOK handguard for accessory mounting flexibility
• Single-stage trigger assembly with 4.5-6 pound pull weight
• Standard carbine buffer system for reliable cycling

Field testing demonstrates consistent sub-MOA accuracy with quality ammunition at 100 yards. The 6mm ARC cartridge provides flatter trajectory and less wind drift compared to .223/5.56 NATO while maintaining manageable recoil characteristics. Weather-sealed components ensure reliable function in adverse conditions, making this rifle suitable for competitive shooting, hunting medium game, and precision applications where accuracy matters most.

Technical Specs

• Caliber: 6mm ARC
• Barrel Length: 16.1 inches
• Overall Length: 32.25-35.25 inches (adjustable stock)
• Weight: 7.2 pounds (unloaded)
• Twist Rate: 1:7.5 inches
• Finish: Midnight Bronze Cerakote
• Handguard: Free-floating M-LOK compatible
• Magazine Compatibility: Standard AR-15 magazines
• Country of Origin: USA

CMMG's reputation for precision manufacturing and quality control makes the Dissent MK4 a reliable choice for shooters demanding consistent performance. The specialized 6mm ARC chambering opens new possibilities for long-range accuracy while maintaining the familiar AR-15 manual of arms that most shooters already know.