# CMMG Dissent MK4 .300 AAC Blackout 6.5in Black

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

## Specifications

- **Caliber:** .300 AAC Blackout
- **Barrel Length:** 6.5"
- **UPC:** 840442500986
- **SKU:** UCEnNb5FS

## Description

The CMMG Dissent MK4 is an AR-pattern firearm chambered in .300 AAC Blackout with a 6.5-inch barrel in a short-barreled configuration; transfer requires additional federal paperwork. It uses a 7075-T6 aluminum receiver and ships with a 30-round magazine. The proprietary 5.5-inch handguard and Black Cerakote finish are standard.

### Key Specifications
- **Brand**: CMMG
- **Model**: Dissent MK4
- **Caliber**: .300 AAC Blackout
- **Action**: Semi Auto
- **Capacity**: 30 rounds
- **Barrel Length**: 6.5 inches
- **Color/Finish**: Black Cerakote

### Detailed Features
- 6.5-inch barrel in a short-barreled configuration (additional federal transfer paperwork required)
- 7075-T6 aluminum receiver construction
- 5.5-inch proprietary handguard
- Black Cerakote finish on all metal surfaces
- Ships with CMMG Zeroed Grip and 30-round magazine

## Frequently Asked Questions

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

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

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

A: The Dissent MK4 is made by CMMG.

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

A: It is an AR-pattern semi-automatic firearm.

**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 ships with a 30-round magazine.

**Q: What finish does the CMMG Dissent MK4 have?**

A: All metal surfaces have a Black Cerakote finish.

**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 Dissent MK4 in .300 Blackout consistently point to the 7075-T6 aluminum construction as one of the platform's clear strengths. The Cerakote finish holds up well to handling, and the proprietary handguard gets mixed feedback: some find the shorter profile ideal for a compact build, while others wish for a more standard mounting system.

The 6.5-inch barrel draws interest from suppressor hosts, and many MK4 owners pair this configuration with a can. The CMMG Zeroed Grip is a small but appreciated inclusion. The short-barreled nature means the transfer process adds time and cost that buyers need to account for before purchase.

Value perception on the Dissent MK4 sits in a mixed place. CMMG's quality control reputation is generally good, but the platform commands a price that some feel is steep compared to budget AR builds in the same caliber. Aftermarket support is reasonable, though the proprietary handguard limits some customization paths.

## Pricing

**9 offers available**

| Vendor | Price |
|--------|-------|
| Shootingsurplus Com | $1830.49 |
| Kygunco Com | $1838.77 |
| Classicfirearms Com | $1840.61 |
| Buds Gun Shop | $1842.49 |
| Gritrsports Com | $1844.99 |
| Guns Com | $1882.99 |
| Globalordnance Com | $1905.03 |
| Grabagun Com | $1909.99 |
| Deguns | $1954.99 |

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