# CMMG Dissent MK3 8.6 BLK 12.5in Armor Black

**Brand:** CMMG
**Category:** AR Style Rifles
**Caliber:** 8.6 BLK

## Specifications

- **Caliber:** 8.6 BLK
- **Barrel Length:** 12.5"
- **UPC:** 810148629809
- **SKU:** UCEGJR5U1

## Description

The CMMG Dissent MK3 is an AR-pattern pistol chambered in 8.6 BLK with a 12.5-inch black nitride barrel. It has a 7075-T6 aluminum receiver, an 11-inch proprietary handguard, and ships with two Magpul 20-round magazines and a pistol brace. The finish is Armor Black.

### Key Specifications
- **Brand**: CMMG
- **Model**: Dissent MK3
- **Caliber**: 8.6 BLK
- **Action**: Semi Auto
- **Capacity**: 20 rounds
- **Barrel Length**: 12.5 inches
- **Color/Finish**: Armor Black

### Detailed Features
- 12.5-inch black nitride barrel
- 7075-T6 aluminum receiver
- 11-inch proprietary handguard
- Two Magpul 20-round magazines included
- CMMG Zeroed pistol grip
- Pistol brace configuration

## Frequently Asked Questions

**Q: What caliber is the Dissent MK3?**

A: The Dissent MK3 is chambered in 8.6 BLK.

**Q: Who makes the Dissent MK3?**

A: The Dissent MK3 is made by CMMG.

**Q: What type of firearm is the Dissent MK3?**

A: It is an AR-pattern pistol with a pistol brace configuration.

**Q: What is the barrel length of the Dissent MK3?**

A: The Dissent MK3 has a 12.5-inch black nitride barrel.

**Q: How many rounds does the Dissent MK3 hold?**

A: It ships with two Magpul 20-round magazines and has a 20-round capacity.

**Q: What receiver material does the Dissent MK3 use?**

A: The receiver is machined from 7075-T6 aluminum.

**Q: Where can I buy the Dissent MK3?**

A: Compare current vendor offers on this page.

## What Customers Say

*AI-generated insights from customer reviews*

The CMMG Dissent MK3 in 8.6 BLK attracts owners who want a short-barreled AR platform optimized for suppressor use, as the 8.6 BLK cartridge is designed around subsonic loads. Owners consistently note the platform is purpose-built and that the proprietary handguard and Zeroed grip give it a distinct, intentional layout rather than a generic AR feel.

Reliability with the black nitride barrel and 7075-T6 receiver gets good marks from owners running the pistol regularly. The 12.5-inch barrel length is noted as a reasonable compromise, keeping the overall package manageable while supporting good velocity for both subsonic and supersonic 8.6 BLK loads. The Magpul magazines included in the package are well-regarded.

The Dissent MK3 is not a cheap option, and owners are split on whether the price delta over a standard AR pistol is justified unless you are committed to the 8.6 BLK caliber specifically. Those who are find it a focused, well-executed platform; those who aren't sometimes feel the proprietary elements limit parts flexibility.

## Pricing

**11 offers available**

| Vendor | Price |
|--------|-------|
| Classicfirearms Com | $1996.70 |
| Shootingsurplus Com | $2026.24 |
| Kygunco Com | $2035.41 |
| Buds Gun Shop | $2036.49 |
| Impactguns Com | $2043.29 |
| Grabagun Com | $2069.99 |
| Centerfiresystems Com | $2096.99 |
| Globalordnance Com | $2134.06 |
| Deguns | $2145.99 |
| Selwayarmory Com | $2187.49 |

*...and 1 more offers*

## Similar Products

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- [CMMG Dissent Mk3 8.6 BLK 12.5in Tungsten](https://gunsnation.com/p/cmmg-dissent-mk3-8-6-blk-12-5in-tungsten/UCEGJR5Ur)
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*Data from [GunsNation](https://gunsnation.com)*