The CMMG Dissent Mk4 is a semi-automatic pistol chambered in 5.56x45mm NATO, built around a compact 6.5-inch barrel that keeps overall length to 14.7 inches. It ships with a 30+1 capacity and weighs 4.60 lbs unloaded. 
 

Key Specifications 

• Model: Dissent Mk4 
• Manufacturer: CMMG 
• Caliber: 5.56x45mm NATO 
• Barrel Length: 6.5 inches 
• Overall Length: 14.7 inches 
• Capacity: 30+1 rounds 
• Weight: 4.60 lbs (unloaded) 
• Action Type: Semi-Auto 
• Finish Color: Coyote Tan 
• Safety: Ambidextrous safety lever 
• Grip Material: Black Polymer 
• Sights: Optic Ready 
   

Detailed Features 

The 6.5-inch barrel keeps the pistol short enough for tight spaces while still supporting .223 Remington/5.56 NATO ballistics. The optic-ready upper lets you mount whatever glass you prefer without an adapter, which is useful for both competition and defensive use where fast target acquisition matters. 
 
The ambidextrous safety works equally well for left- and right-handed shooters, a practical detail that gets overlooked on a lot of pistols in this class. 
 

Usage Scenarios 

The 30+1 capacity and fast cycling make it a solid choice for home defense. For range use, the optic-ready setup lets competitive shooters dial in their preferred red dot or prism optic without modification. It also works well as a truck gun given the compact dimensions.

Community discussion around the CMMG Dissent Mk4 5.56 Tactical Pistol in Coyote Tan with the 6.5" barrel covers a few consistent themes.

Build Quality and Design

Most users speak well of the construction. The compact format draws consistent praise for tactical and home-defense applications, and the Coyote Tan finish gets positive mentions for both looks and its neutral coloring in varied environments.

Compactness and Portability

The short overall length comes up often as a primary selling point. Users regularly describe it as a go-to for home defense and as a truck gun. The 4.60 lb unloaded weight keeps it easy to handle for extended range sessions.

Shooting Experience

Reports on shooting performance are generally positive. Users note low recoil and acceptable accuracy at short to moderate distances. The 6.5" barrel length holds up in close-quarters use while still delivering reasonable ballistics.

Customization

The optic-ready upper and standard accessory rail get mentioned frequently. Owners appreciate being able to add lights, optics, and grip accessories without extra machining or adapters.

Reliability

Most users report few or no malfunctions through normal use, which keeps satisfaction high. It comes up enough in discussions that reliability appears to be a genuine pattern rather than an outlier.

Pricing

Opinions split on value. Some users consider it reasonably priced for the feature set; others think it runs high compared to comparable pistols in the same caliber.

Overall community sentiment leans positive, with the main friction points being price and occasional availability issues.