The CMMG Dissent MK4 is an AR-pattern semi-automatic rifle chambered in 22 ARC with a 16.1-inch threaded barrel finished in Black Nitride. The receiver wears a Sniper Gray Cerakote finish and features a Picatinny rail. It has an M-LOK handguard and comes configured with 30+1 capacity. 
 

Key Specifications 

• Brand: CMMG 
• Model: Dissent MK4 
• Caliber: 22 ARC 
• Action: Semi Auto 
• Barrel Length: 16.1 inches 
• Color/Finish: Sniper Gray Cerakote 
• Capacity: 30+1 
• Handguard: M-LOK 
   

Detailed Features 

• 16.1-inch threaded barrel with Black Nitride finish 
• Sniper Gray Cerakote on the aluminum receiver 
• M-LOK handguard for accessory mounting 
• Picatinny rail on the receiver 
• CMMG Zeroed grips and ambidextrous controls 
• 30+1 round capacity

Owners of the CMMG Dissent MK4 in 22 ARC are largely enthusiastic about the chambering choice itself. The 22 ARC generates solid ballistic performance from a 16-inch barrel, and the Dissent platform handles the cartridge without the feeding issues some competing builds see in early production runs.

The Sniper Gray Cerakote finish gets positive marks for durability and looks, though a minority find the color sits closer to blue-gray in certain lighting than the name implies. The M-LOK handguard and ambidextrous controls are considered well-executed for an out-of-the-box rifle. The Zeroed grips divide opinion on texture preference but are not commonly swapped out.

The 22 ARC is still a relatively new chambering, and the Dissent MK4 is one of the few factory options available in it. Owners willing to pay for the chambering see the value clearly. Those comparing it to more established AR cartridges find the price-per-round math less favorable, which tempers enthusiasm for high-volume use.