# CMMG Dissent MK4 Tactical .300 Blackout 10.5" Pistol - Tungsten Finish

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

## Specifications

- **Caliber:** .300 AAC Blackout
- **Barrel Length:** 10.5"
- **Capacity:** 30 rounds
- **Overall Length:** 18.7"
- **UPC:** 810097509702
- **SKU:** UCEGFyaoA

## Description

The CMMG Dissent MK4 is a semi-automatic pistol chambered in .300 AAC Blackout with a 10.5-inch barrel and a tungsten finish. At 18.7 inches overall, it's a compact AR-style pistol that handles both supersonic and subsonic .300 Blackout loads well, which makes it useful whether you're running it suppressed or not.

### Key Specifications
- **Model:** Dissent MK4
- **Caliber:** .300 AAC Blackout
- **Action:** Semi-Auto
- **Barrel Length:** 10.5 inches
- **Overall Length:** 18.7 inches
- **Capacity:** 30+1 rounds
- **Safety:** Lever safety mechanism
- **Grip Material:** Black Polymer
- **Sights:** Optic Ready
- **Condition:** New in Box
- **Manufacturer Part Number (MPN):** 30AC278TNG

### Detailed Features
The 10.5" barrel keeps the package short and manageable while still producing useful ballistics with .300 Blackout, especially with heavier subsonic loads. With 30+1 rounds on tap, you have plenty of capacity for extended range sessions without constant reloads. The optic-ready setup means you can mount whatever sight system you prefer without needing an adapter. The lever safety is straightforward and positive in operation.

### Usage Scenarios
The .300 Blackout caliber is genuinely flexible here. With supersonic loads it hits harder than 5.56 at close to medium ranges; switch to subsonic with a suppressor and it gets very quiet. That flexibility is the main reason shooters choose this chambering over standard 5.56 AR pistols. The compact size also works for home defense and makes it easy to store and maneuver in tight spaces.

## 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 a semi-automatic AR-style pistol.

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

A: The Dissent MK4 has a 10.5-inch barrel.

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

A: It has a 30+1 capacity.

**Q: Is the CMMG Dissent MK4 optic-ready?**

A: Yes, the Dissent MK4 has an optic-ready setup so you can mount a sight system without an adapter.

**Q: Does the CMMG Dissent MK4 have a threaded barrel?**

A: Yes, the barrel is threaded.

**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*

Feedback on the CMMG Dissent MK4 in .300 Blackout with the tungsten finish covers several consistent themes.

Build quality gets positive marks across the board. The tungsten finish looks good and holds up well. Owners describe the overall construction as solid, and the controls are easy to reach and operate. The weight distribution gets mentioned positively, particularly for an AR-style pistol in this size class.

Performance with .300 Blackout is generally well-received. Users appreciate the caliber's versatility, especially those who run it suppressed with subsonic loads. Cycling is described as reliable across most ammo types.

Customization potential is a plus for platform enthusiasts. The optic-ready setup and standard AR parts compatibility mean you can build it out without hunting for proprietary components.

Price comes up as a point of contention. Some users feel the cost is justified given the quality and caliber, while others compare it to less expensive .300 Blackout options and question whether the premium is warranted. Customer service experiences with CMMG vary in reported accounts, though the warranty coverage is mentioned as a reassuring factor.

## Pricing

**9 offers available**

| Vendor | Price |
|--------|-------|
| Shootingsurplus Com | $1659.32 |
| Classicfirearms Com | $1660.98 |
| Impactguns Com | $1662.79 |
| Buds Gun Shop | $1664.99 |
| Kygunco Com | $1674.27 |
| Primaryarms Com | $1699.99 |
| Globalordnance Com | $1719.11 |
| Deguns | $1763.99 |
| RK Guns | $1799.97 |

## Similar Products

- [CMMG Dissent MK4 .300 BLK 10.5" Semi-Auto Pistol - Optic Ready](https://gunsnation.com/p/cmmg-dissent-mk4-300-blk-10-5-semi-auto-pistol-optic-ready/UCEGFyanB)
- [CMMG Dissent MK4: Compact 300 AAC Blackout Semi-Auto Pistol](https://gunsnation.com/p/cmmg-dissent-mk4-compact-300-aac-blackout-semi-auto-pistol/UCEGFyang)
- [CMMG Dissent MK4 Tactical Pistol .300 AAC Blackout - Tungsten Finish](https://gunsnation.com/p/cmmg-dissent-mk4-tactical-pistol-300-aac-blackout-tungsten-finish/UCEGFyaOL)
- [CMMG Dissent MK4 Tactical Pistol .300 Blackout 6.5" - Compact Power](https://gunsnation.com/p/cmmg-dissent-mk4-tactical-pistol-300-blackout-6-5-compact-power/UCEGFyaNM)
- [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)
- [CMMG Dissent MK4 9mm - 10.5" Midnight Bronze, 33+1 Rounds Pistol](https://gunsnation.com/p/cmmg-dissent-mk4-9mm-10-5-midnight-bronze-33-1-rounds-pistol/UCEGGNbNQ)

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