CMMG Resolute MK4 6mm ARC 16.1" Armor Black

CMMG Resolute MK4: Modern AR15 Performance in 6mm ARC

The 6mm ARC cartridge represents a significant advancement in intermediate-range rifle performance. Designed specifically for the AR15 platform, it delivers ballistic capabilities that rival larger AR10-pattern rifles while maintaining the ergonomics and modularity shooters expect from the modern sporting rifle.

Key Features

Barrel and Handling

• 16.1" barrel optimized for 6mm ARC performance
• Armor Black finish for durability and aesthetics
• Compact profile suitable for tactical and sport applications

Handguard and Accessory Mounting

• EML (Extended M-LOK) handguard design
• Full-length M-LOK slots on both sides and bottom
• M-LOK sections between top Picatinny rail sections
• Flexible mounting for optics, lights, and other accessories

Ambidextrous Controls This rifle is built for shooters of all hand preferences:

• Ambidextrous safety selector (60/90 degree)
• Ambidextrous magazine catch
• Ambidextrous charging handle
• Extended magazine release button for positive manipulation

Trigger and Internals

• ZEROED drop-in single-stage trigger for crisp, predictable breaks
• ZEROED pistol grip for comfortable control
• ZEROED bolt catch for reliable operation
• Polymer dust cover protects internal components

Muzzle Device

• Integral muzzle brake reduces recoil and muzzle rise
• Aids in rapid target reacquisition

What's Included

• One 10-round magazine
• Complete, ready-to-shoot configuration

Why 6mm ARC?

The 6mm ARC bridges the gap between 5.56 NATO and larger magnum cartridges. It delivers superior ballistic coefficient, flatter trajectory, and better wind resistance than standard intermediate rounds, making it ideal for precision shooting, hunting, and tactical applications where extended-range performance matters.