The CMMG Dissent MK4 is a compact semi-automatic AR-style pistol chambered in .300 AAC Blackout designed for users seeking a short-barrel platform with adaptable performance. Outfitted with a 10.5″ threaded barrel and an adjustable gas block, this DISSENT is optimized to work with a wide range of supersonic and subsonic 300 BLK loadings. The rear 1913 Picatinny rail end plate allows the use of a folding pistol brace or stock, and the Cerakote Midnight Bronze finish delivers durable corrosion and wear resistance. A TriggerTech AR-D trigger developed with CMMG provides a light, repeatable break for precise follow-up shots.
Key Specifications
- Chambered in .300 AAC Blackout for flexible suppressed and unsuppressed loadings.
- Operates as a Semi-Auto action for standard AR-style cycling.
- Equipped with a 10.50″ threaded barrel for compact handling and muzzle device compatibility.
- Holds 30 + 1 rounds capacity.
- Finished in Cerakote with a Midnight Bronze color.
- Features a Black Polymer grip for a durable, ergonomic interface.
- Measures an overall length of 18.70″ for compact storage and transport.
- Includes a Threaded barrel type to accept muzzle devices and suppressors where legal.
- Integrates a TriggerTech AR-D trigger tuned for a 4 lb pull weight and a crisp break.
- Designed with a rear 1913 Picatinny rail end plate to accommodate folding braces or stocks.
Well-suited for shooters who value compactness and modularity, the Dissent MK4 delivers reliable .300 BLK performance in a short-barrel package with user-adjustable gas control and a refined trigger. Its combination of a threaded 10.5″ barrel, durable Cerakote finish, and a 30+1 capacity makes it a practical choice for compact tactical use, suppressed shooting setups, and range-focused applications where maneuverability and controllability are priorities.
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