CMMG Dissent MK4 5.7x28 Upper Receiver Group
CMMG's innovative Dissent upper receiver group features patent-pending Compact Action technology, left-side charging handle, and Picatinny rail compatibility for AR-platform builds.
The CMMG Dissent: A Modern Answer to AR Pistol Design
CMMG's Dissent represents a thoughtful response to the evolving regulatory landscape surrounding AR pistol configurations. Rather than relying on stabilizing braces, this upper receiver group offers a fundamentally different approach to compact rifle design.
Key Features
Innovative Action Design
- Patent-pending Compact Action with Radial Delayed Blowback technology
- Fixed ejector for reliable operation
- Entire action and recoil assembly housed in the upper receiver
- Significantly more compact than traditional AR pistol designs
Ergonomic Controls
- Left-side charging handle for quick bolt operation
- Non-reciprocating design keeps your hand clear of moving parts
- Allows you to maintain sight picture while charging
Practical Configuration
- 6.5-inch barrel in 5.7x28mm caliber
- Zeroed linear compensator reduces muzzle rise
- 4.6-inch M-LOK handguard for accessory mounting
- 1913 Picatinny rail end plate replaces traditional buffer tube
- Armor Black finish resists corrosion
What This Means for You
The Dissent upper group is designed to work with standard AR-platform lower receivers, making it a versatile choice for builders seeking a modern, compact rifle configuration. The integrated action design delivers genuine compactness without compromise to reliability or shootability.
