# CMMG Dissent MK4 Tactical Pistol .300 Blackout 6.5" - Compact Power

**Brand:** CMMG
**Category:** Full Size Handguns
**Caliber:** .300 AAC Blackout

## Specifications

- **Caliber:** .300 AAC Blackout
- **Barrel Length:** 6.5"
- **Capacity:** 30 rounds
- **Finish:** BLACK NITRIDE
- **Weight:** 73.6 oz
- **Overall Length:** 14.7"
- **UPC:** 810097508040
- **SKU:** UCEGFyaNM

## Description

The CMMG Dissent MK4 is a semi-automatic pistol chambered in .300 AAC Blackout, built around a direct impingement action with a compact layout. At 4.6 lbs and a 6.5-inch barrel, it handles well in tight quarters while still running the .300 BLK cartridge effectively with both subsonic and supersonic loads.

### Key Specifications
- **Model:** Dissent MK4
- **Caliber:** .300 AAC Blackout
- **Barrel Length:** 6.5 inches
- **Capacity:** 30+1 rounds
- **Finish:** Black Nitride
- **Weight:** 4.6 lbs

### Detailed Features

The barrel is 4140CM steel with a 1:7 twist rate, which stabilizes the full range of .300 BLK projectile weights. CMMG includes their Zeroed Linear Compensator to direct blast forward and reduce felt push. The adjustable gas block lets you tune cycling for suppressed or unsuppressed use, or dial it in for a specific load. Controls are ambidextrous, and the black polymer grip is comfortable for extended handling.

## Frequently Asked Questions

**Q: What caliber is the CMMG Dissent MK4?**

A: The CMMG Dissent MK4 is chambered in .300 AAC Blackout.

**Q: Who makes the Dissent MK4?**

A: It is made by CMMG.

**Q: What type of firearm is the CMMG Dissent MK4?**

A: It is a semi-automatic pistol with a direct impingement action.

**Q: What is the barrel length of the CMMG Dissent MK4?**

A: The barrel is 6.5 inches long.

**Q: How many rounds does the CMMG Dissent MK4 hold?**

A: It has a 30+1 capacity.

**Q: Is the CMMG Dissent MK4 threaded?**

A: Yes, the Dissent MK4 has a threaded barrel.

**Q: Where can I buy the CMMG Dissent MK4?**

A: Compare current vendor offers on this page.

## What Customers Say

*AI-generated insights from customer reviews*

Owners of the CMMG Dissent MK4 in .300 Blackout tend to land positively, with some nuance around price.

The compact size gets consistent praise. People running it for home defense or as a truck gun appreciate how manageable it is in confined spaces. The .300 Blackout caliber choice also draws a lot of support, particularly from suppressor users who note it cycles subsonic loads cleanly and handles supersonic without issues.

Build quality is generally trusted. CMMG's reputation carries weight, and most buyers find the Dissent lives up to it. Recoil is described as light and manageable, and accuracy at practical ranges comes up frequently as a strength. The ambidextrous controls and overall ergonomics are called out as user-friendly by both newer and experienced shooters.

Customization is a common topic. Optics, lights, and grip mods are popular, and the community shares a fair number of build notes. On price, opinions split: some feel the features justify the cost, others compare it unfavorably to cheaper AR pistol options in the same caliber.

## Pricing

**11 offers available**

| Vendor | Price |
|--------|-------|
| Impactguns Com | $1679.99 |
| Shootingsurplus Com | $1685.90 |
| Guns Com | $1698.99 |
| Gritrsports Com | $1698.99 |
| Primaryarms Com | $1699.99 |
| Kygunco Com | $1708.78 |
| Centerfiresystems Com | $1724.99 |
| Grabagun Com | $1729.99 |
| Buds Gun Shop | $1735.49 |
| Deguns | $1763.99 |

*...and 1 more offers*

## Similar Products

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- [CMMG Dissent Mk4 .300 BLK 6.5" Tactical Pistol - Coyote Tan](https://gunsnation.com/p/cmmg-dissent-mk4-300-blk-6-5-tactical-pistol-coyote-tan/UCEGFyaNk)
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- [CMMG Dissent MK4 9mm Tactical Pistol - 6.5" Barrel, 33-Round](https://gunsnation.com/p/cmmg-dissent-mk4-9mm-tactical-pistol-6-5-barrel-33-round/UCEGGNbMe)

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*Data from [GunsNation](https://gunsnation.com)*