CMMG DISSENT MK4 300BLK 10.5″ TNG | 30+1

The CMMG DISSENT MK4 is a compact AR-style pistol chambered in .300 AAC Blackout with a 10.5″ barrel. It uses CMMG’s DISSENT design to eliminate the conventional AR buffer system for a shorter overall length and features an adjustable gas block to tune for supersonic or subsonic loads. Pair this pistol with a rugged red-dot optic such as a Vortex Venom for quick target acquisition under $1,000.

This configuration is well suited to range training and suppressed shooting applications where the adaptability of .300 BLK and a short-barrel platform are advantageous.

Product Specifications

• The UPC is 810097509702.
• The model designation is CMMG 30AC278TNG DISSENT MK4 300BLK 10.5″ TNG.
• The caliber is .300 AAC Blackout.
• The barrel length is 10.50″.
• The barrel length range is 10″ to 10.99″.
• The action type is Semi-Auto.
• The capacity is 30 + 1.
• The sights are Optic Ready.
• The safety type is listed as Lever Action.
• The overall length is 18.70″.
• The grip material is Black Polymer.
• The design includes an adjustable gas block to tune for supersonic and subsonic loads, listed as adjustable gas block in the manufacturer description.
• The trigger is a TriggerTech AR-D developed in collaboration with CMMG, specified as AR-D 4 lb pull in the manufacturer description.
• The rear includes a 1913 Picatinny rail end plate for mounting a folding brace or stock, described as 1913 Picatinny rail end plate.

The DISSENT MK4 delivers a compact, tunable .300 BLK platform focused on portability and adaptability. Its short barrel and adjustable gas system make it practical for shooters who prioritize a compact footprint and want to tailor gas flow for different ammunition types. The optic-ready upper and TriggerTech AR-D trigger offer a straightforward foundation for a dependable, short-range shooting setup.

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