| Platform | Mk4 |
| Caliber | 9mm |
| Operating System | Compact Action-Radial Delayed Blowback |
| Barrel Length | 6.5 |
| Barrel Twist | 1:10 |
| Barrel Contour | MT |
| Barrel Material | 4140CM, SBN |
| Barrel Twist | 1:10 |
| Muzzle Device | CMMG ZEROED Linear Compensator |
| Muzzle Thread | 1/2 x 28 |
| Gas Port Location | N/A |
| Gas Block | N/A |
| Upper Receiver | DISSENT 9mm 7075 T6 Aluminum |
| Lower Receiver | Mk4 Forged 7075 T6 Aluminum |
| Hand Guard | CMMG 5.5" Proprietary |
| Finish | Cerakote |
| Charging Handle | DISSENT Side Charger - Left |
| Pistol Grip | CMMG ZEROED Pistol Grip |
| Buffer Type | N/A |
| Receiver Extension | 1913 Picatinny Rail End Cap |
| Stock / Brace | N/A |
| Trigger Type | ZEROED Drop-In Single Stage |
| Trigger Guard | CMMG ZEROED Trigger Guard |
| Safety Selector | CMMG ZEROED 60/90 Degree |
| Magazine | (2) CMMG 30rd |
| Weight | 4.6 lbs |
| Length | 15.7" |
Due to high demand and supply chain issues affecting many industries, some of our parts and accessories may be on backorder and have an extended lead time. Items currently on backorder can still be purchased and can typically be shipped within 25 business days.
Pistol, DISSENT, Mk4, 9MM, 6.5"
One thing that has always set the AR15 platform apart from many of its rivals has been modularity. With the 9mm DISSENT® available in the Mk4 platform, shooters have a 9mm pistol that can use the CMMG 9 AR Conversion magazines. These magazines feature the same profile as 5.56mm magazines for a familiar manual of arms and true double stack feeding from top to bottom for fast and easy loading.
Each DISSENT comes in a range of Cerakote finishes. The M-LOK® handguard allows for sleek accessory mounting to complement your DISSENT while the 1913 picatinny rail end plate allows for the attachment of slings, pistol braces, or stocks*. Bolt operation is accomplished via the forward non-reciprocating side charger, allowing for quick use while staying on target.
Radial Delayed Blowback™ Compact Action
9mm ammo loadings can vary greatly, from supersonic to subsonic. With a wide range of bullet weights comes new engineering challenges in a new platform. The 9mm Radial Delayed Blowback Compact Action addresses these challenges by utilizing a fixed ejector in the upper receiver. Added benefits are a lighter BCG with less felt recoil while providing consistent performance with a wide range of ammo and maintaining lower compatibility with a wider range of lowers.
Lifetime Quality Guarantee
We aim to please, that’s why every CMMG product is backed by our Lifetime Quality Guarantee against material and workmanship defects. Learn More.
*NFA Rules May Apply
Each DISSENT is shipped in pistol configuration, adding a stock will make your DISSENT an SBR and subject to NFA rules. Learn more about NFA rules.
~Firearms shipping to states with magazine capacity restrictions will only ship with 10rd magazines in place of standard capacity magazines. CMMG does not address any other state compliancy requirements for further restricted states.