CMMG Dissent MK4 9mm Pistol, 6.5" Midnight Bronze
- 10.5" 9mm Midnight Bronze $1,813.07
- 22 ARC, 16" Barrel, Folding Stock $2,086.12
- 300 Blackout 10.5" $1,794.94
- 300 Blackout 10.5" Compact $2,009.15
- 300 Blackout 10.5" Midnight Bronze $1,794.94
- 300 Blackout 16.1" $2,107.19
- 300 Blackout 6.5" Midnight Bronze $1,794.94
- 300 Blackout 6.5" Tungsten $1,794.94
- CMMG Dissent MK4 300 Blackout Pistol 6.5" $1,794.94
- CMMG Dissent MK4 300 Blackout Pistol, 6.5" Barrel $1,989.06
- 300 Blackout, 6.5" Barrel, Coyote Tan $1,794.94
- 338 ARC 10.5" Barrel $1,813.07
CMMG Dissent MK4 9mm pistol with 6.5" barrel, 33-round capacity, left-side charging handle, M-LOK handguard, and linear compensator. Midnight Bronze receiver with Picatinny brace adapter.
The CMMG Dissent MK4: Modern 9mm Pistol Engineering
The AR-15 platform's greatest strength has always been modularity, and CMMG brings that advantage to the 9mm world with the Dissent MK4. This is a purpose-built 9mm pistol that leverages the familiarity of the AR platform while addressing the unique demands of pistol-caliber shooting.
Key Features
- 9mm Radial Delayed Blowback Action: CMMG's proprietary compact action handles the wide variety of 9mm loadings—from supersonic to subsonic—with consistent reliability. The fixed ejector in the upper receiver ensures reliable function across different ammunition types and weights.
- 33-Round Capacity: Uses standard CMMG 9mm AR conversion magazines with the same profile as 5.56mm magazines, giving you a familiar manual of arms and true double-stack feeding for fast, easy loading.
- 6.5" Barrel with Linear Compensator: The zeroed linear compensator helps manage recoil impulse while keeping the platform hearing-safe in many scenarios.
- Left-Side Charging Handle: The forward, non-reciprocating side charger allows you to maintain your sight picture and stay on target during operation.
- M-LOK Handguard: The 5.50" M-LOK rail system provides sleek, modern accessory mounting without unnecessary bulk.
- Picatinny Brace Adapter: The 1913 Picatinny rail end plate accepts slings, pistol braces, or stocks for configuration flexibility.
- Midnight Bronze Receiver: Distinctive finish that stands out on the range.
Why the Dissent MK4 Matters
The engineering here is straightforward: CMMG recognized that 9mm ammunition varies significantly in performance characteristics. Their solution—a lighter bolt carrier group with less felt recoil, combined with the radial delayed blowback system—delivers consistent performance across a wider range of ammunition while maintaining lower receiver compatibility. This is practical engineering that translates to reliable shooting.
Whether you're building a dedicated 9mm platform or exploring what modern pistol-caliber carbines can do, the Dissent MK4 delivers the modularity and performance the AR platform is known for.
