# CMMG DISSENT Mk4 .300 Blackout 6.5in Black

**Brand:** CMMG
**Category:** AR Style Rifles
**Caliber:** .300 AAC Blackout

## Specifications

- **Caliber:** .300 AAC Blackout
- **Barrel Length:** 6.5"
- **UPC:** 840442500917
- **SKU:** UCEnNb5EL

## Description

The CMMG DISSENT Mk4 is a semi-automatic AR-pattern pistol chambered in .300 Blackout with a 6.5-inch barrel and a pistol brace. It is a short-barreled configuration; transfer requires additional federal paperwork. The magazine capacity is 33 rounds.

### Key Specifications
- **Brand**: CMMG
- **Model**: DISSENT Mk4
- **Caliber**: .300 AAC Blackout
- **Action**: Semi Auto
- **Barrel Length**: 6.5 inches
- **Capacity**: 33 rounds
- **Color**: Black (Armor Black)

### Detailed Features
- 6.5-inch barrel
- Pistol brace included
- 33-round capacity
- Armor Black finish
- AR-pattern Mk4 lower platform

## Frequently Asked Questions

**Q: What caliber is the DISSENT Mk4?**

A: The CMMG DISSENT Mk4 is chambered in .300 AAC Blackout.

**Q: What is the barrel length of the DISSENT Mk4?**

A: The DISSENT Mk4 has a 6.5-inch barrel.

**Q: How many rounds does the DISSENT Mk4 hold?**

A: It has a capacity of 33 rounds.

**Q: Who makes the DISSENT Mk4?**

A: The DISSENT Mk4 is made by CMMG.

**Q: What type of firearm is the DISSENT Mk4?**

A: It is a semi-automatic AR-pattern pistol on the Mk4 lower platform, finished in Armor Black.

**Q: Where can I buy the 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 frequently highlight the combination of the short barrel and the brace as making it a highly compact package. The 6.5-inch barrel in .300 Blackout is a common choice for suppressor use, and many buyers pick this configuration specifically with a can in mind, noting the cartridge was designed for short barrels.

The CMMG Mk4 platform generally draws positive marks for build quality. The DISSENT in particular gets attention for the radial delayed blowback system, which owners say runs reliably with both supersonic and subsonic loads without adjustments. A recurring criticism is that the brace, while functional, feels like a compromise compared to a traditional stock.

Value opinion is divided. Those who want a purpose-built short suppressor host in .300 Blackout tend to view the price as fair for the platform. Buyers shopping casually sometimes feel the premium over competing AR pistols is hard to justify on paper until they handle one in person.

## Pricing

**5 offers available**

| Vendor | Price |
|--------|-------|
| Shootingsurplus Com | $1863.05 |
| Buds Gun Shop | $1874.99 |
| Kygunco Com | $1895.65 |
| Grabagun Com | $1949.99 |
| Guns Com | $2141.99 |

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