The CMMG DISSENT MK4 is a compact AR-style pistol chambered in .300 AAC Blackout and built around a 10.5-inch barrel for portable performance. Its design removes the conventional AR-15 buffer system, reducing overall length while retaining the cartridge’s versatility with both supersonic and subsonic loads. The platform includes an adjustable gas block and a 1913 Picatinny rail end plate to accept a folding brace or stock as desired.
Key Specifications
- The caliber is .300 AAC Blackout.
- The barrel measures 10.50 inches.
- The action is Semi-Auto.
- The capacity is 30 + 1.
- The overall length is 18.70 inches.
- The grip material is Black Polymer.
- The safety is a Lever Action.
- The sights are Optic Ready.
- Gas system tuning is provided by an adjustable gas block for supersonic or subsonic loads.
- The trigger is a TriggerTech AR-D with a 4 lb pull weight.
Designed for compact carry and versatile use in suppressed or unsuppressed configurations, the DISSENT MK4 balances portability with the adaptability of the .300 Blackout cartridge. Multiple Cerakote finish options and the Picatinny end plate give users flexibility in setup and appearance. Note: CMMG does not guarantee optimal DISSENT functionality with Mil-spec or other aftermarket triggers.
Whether configured for short-range precision, suppressed shooting, or a compact carry role, the DISSENT MK4 offers a purpose-built package that emphasizes tunability and compact handling. Its adjustable gas system, purpose-matched trigger, and compact profile make it a straightforward choice for users seeking a versatile AR-format pistol in .300 AAC Blackout.
Product information is supplied by the manufacturer and/or distributor and may be automatically formatted or enhanced using AI for clarity and consistency. While we strive for accuracy, specifications, features, and included items may change without notice. Always verify details using the manufacturer’s official documentation and the information shown on this product page before purchase or use.
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