The CMMG DISSENT MK4 9mm 6.5″ Pistol, 33+1 brings a compact, soft-shooting AR-platform pistol to your range bag or duty kit. It uses CMMG’s own Compact Action radial delayed blowback system to keep recoil manageable—especially for newer shooters—while feeding reliably from Glock-style magazines. With a 6.50″ threaded barrel, a 5.50″ M-LOK handguard, and a factory Zeroed Linear Compensator, this pistol is built for accurate training, competition, or home defense.
| Manufacturer | CMMG |
|---|---|
| Model | DISSENT MK4 |
| Material | 7075-T6 aluminum upper and lower receiver, steel barrel |
| Compatibility | Glock 9mm magazines (17/19/33-round) |
| Finish | Black hardcoat anodized |
| Weight | 4.8 lbs (per manufacturer specs) |
| Condition | New |
Key Features
- Compact Action Radial Delayed Blowback – Reduces felt recoil and muzzle rise, making follow-up shots faster and more accurate for family shooters.
- 6.50″ Threaded Barrel with Zeroed Linear Compensator – Directs blast forward, cutting noise and flash for safer indoor training and backyard practice.
- Left-Side Non-Reciprocating Charging Handle – Stays still while firing, so kids or new shooters can keep their support hand on the handguard without interference.
- 5.50″ M-LOK Handguard – Lightweight and slim, perfect for mounting a light or foregrip without adding bulk.
- 33+1 Round Capacity – Extended magazine lets you spend more time shooting and less time reloading at the range or during drills.
Who It’s For
This CMMG DISSENT MK4 is ideal for families who train together, youth shooters graduating from rimfire, and beginners wanting a reliable AR-style pistol in 9mm. Its soft recoil and familiar AR controls make it a great first centerfire platform. It also suits competition shooters in PCC divisions and anyone needing a compact, duty-ready pistol for home defense.
Pros & Cons
- Pro: Radial delayed blowback system – far softer than straight blowback AR-9s, better for teaching proper form.
- Pro: Glock magazine compatibility – cheap, common, and reliable.
- Pro: Compact barrel/handguard combo – easy to maneuver in tight spaces or vehicles.
- Con: Price is premium at $1,820.79 – may stretch a family budget compared to simpler blowback options.
- Con: Left-side charging handle may not suit left-handed shooters without practice.
Comparison: CMMG DISSENT MK4 vs. Zev Technologies OZ9 vs. Geissele Super Duty 9mm
| Feature | CMMG DISSENT MK4 | Zev Technologies OZ9 | Geissele Super Duty 9mm |
|---|---|---|---|
| Operating System | Radial delayed blowback | Direct blowback | Direct blowback |
| Barrel Length | 6.50″ threaded | 5.0″ or 6.0″ | 8.0″ |
| Magazine Compatibility | Glock 9mm | Glock 9mm | Glock 9mm |
| Weight | 4.8 lbs | ~3.5 lbs | ~5.1 lbs |
| Price | $1,820.79 | $1,999+ | $1,599+ |
| Best For | Family training, competition | Custom build enthusiasts | Duty/HD use |
FAQ
Does the CMMG DISSENT MK4 9mm 6.5″ pistol use standard AR-15 parts?
No. The DISSENT uses CMMG’s Compact Action system, which is a proprietary radial delayed blowback design. The upper receiver, bolt carrier group, and barrel are specific to this model. However, the lower receiver accepts standard AR-15 pistol grips, triggers, and buffer tubes.
Can I suppress the CMMG DISSENT MK4?
Yes, the 6.50″ barrel is threaded 1/2×28 TPI and comes with a Zeroed Linear Compensator that can be swapped for a suppressor. The radial delayed blowback system cycles reliably with subsonic ammo and a suppressor, though you should check local laws first.
What magazines does the DISSENT MK4 use?
It accepts all standard Glock 9mm magazines, including 17-, 19-, and 33-round options. The 33+1 magazine included gives you plenty of capacity for drills or home defense.
Is this pistol legal for competition?
Yes, it fits USPSA PCC and Steel Challenge divisions. The radial delayed blowback system and 6.50″ barrel keep it within most competition rules. Check your specific match rules for barrel length minimums.
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- ✔ Nationwide delivery (all 50 states)
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Last updated: April 2026
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