The CMMG DISSENT MK4 .300 Blackout AR-15 Rifle, finished in Midnight Bronze, is engineered for adaptability across diverse shooting applications. This platform functions as a capable precision rifle, designed to manage both subsonic and supersonic ammunition loads, making it suitable for target engagement, specific hunting applications, and personal defense roles.
Featuring a 16.1-inch barrel, the DISSENT MK4 optimizes velocity and performance for the .300 Blackout cartridge. An integrated adjustable gas block permits the operator to fine-tune the gas system, ensuring consistent operation with various ammunition types, including suppressed configurations.
Key Features
- Adjustable Gas Block: Enables precise system tuning for optimal function with both subsonic and supersonic .300 Blackout ammunition. This mitigates operational inconsistencies across diverse load types.
- DISSENT Side Folding Stock: Provides adjustable length of pull and an adjustable cheek riser, facilitating a customized and stable firing position for enhanced shooter interface. The folding mechanism reduces the overall footprint for transport or storage.
- Forward Non-Reciprocating Charging Handle: Allows for efficient, ambidextrous weapon manipulation without breaking the shooter’s sight picture or requiring significant body repositioning.
- M-LOK Handguard & Picatinny Rail: Integrates extensive mounting surfaces, accommodating tactical optics, illumination devices, and other essential firearm accessories for mission-specific configuration.
Technical Specifications
- Caliber: .300 Blackout
- Barrel Length: 16.1 inches
- Finish: Midnight Bronze
- Stock: CMMG DISSENT Side Folding Stock (Adjustable Length of Pull, Adjustable Cheek Riser)
- Handguard: M-LOK & Picatinny Rail Integrated
- Charging Handle: Forward, Non-Reciprocating
- Gas System: Adjustable Gas Block
The CMMG DISSENT MK4 is constructed to deliver reliable and consistent performance for the informed shooter, whether for recreational range work or critical field applications.









