CMMG Dissent MK4 300 AAC Blackout AR Pistol

Description

The CMMG Dissent MK4 is an AR pistol chambered in 300 AAC Blackout. It uses a semi-automatic action and a 10.5-inch barrel, with a compact configuration built around a 5.5-inch M-LOK (Modular Lock accessory mounting) handguard. The platform also includes an adjustable gas block, threaded muzzle, and an AR-D trigger.

Key Specifications

• The pistol is chambered in 300 AAC Blackout, matching the Dissent platform’s listed cartridge.
• The barrel measures 10.5 inches, defining the pistol’s compact configuration.
• The Dissent uses a semi-automatic action for its operating system.
• The frame is made from aluminum, as listed in the product specifications.
• The pistol weighs 76 ounces, providing a stated reference for handling and transport.
• The handguard measures 5.5 inches and uses M-LOK accessory mounting.
• An adjustable gas block is included for gas-system adjustment.
• The muzzle uses 5/8-24 inch threads, as specified for this configuration.
• The pistol includes a TriggerTech AR-D trigger with a 4-pound pull weight.
• The package includes two magazines, according to the listed specifications.

The Dissent’s design separates it from a conventional AR-15 layout by using a 1913 Picatinny rail end plate in place of the buffer system described in the product information. The threaded muzzle, adjustable gas block, and M-LOK handguard provide clearly defined configuration points without adding unsupported claims about results. The aluminum frame and 4140 CM barrel material keep the construction details straightforward for buyers comparing platform specifications. We stock this model for shooters who want a 300 AAC Blackout AR pistol with a compact barrel and configurable controls. The CMMG Dissent MK4 remains the focus.