# CMMG Banshee MK4 9mm Luger 8in Gray

**Brand:** CMMG
**Category:** Handguns

## Specifications

- **Barrel Length:** 8"
- **Finish:** Tungsten Cerakote
- **UPC:** 840442503888
- **SKU:** UCEnNb60G

## Description

The CMMG Banshee MK4 is a semi-automatic 9mm Luger AR-pattern pistol built around a compact 8-inch barrel with a 1/2x28 threaded muzzle for compatible muzzle devices. It wears a Tungsten Cerakote gray finish, has ambidextrous controls, and comes fitted with a pistol stabilizing brace for a streamlined, AR-style handling experience. The short overall package is aimed at shooters who want AR-pattern ergonomics in a pistol footprint chambered for a common handgun cartridge.

### Key Specifications
- **Brand:** CMMG
- **Model:** Banshee MK4
- **Caliber:** 9mm Luger
- **Action:** Semi-Auto
- **Barrel Length:** 8 in
- **Finish:** Tungsten Cerakote, Gray

### Detailed Features
- 8-inch barrel with a 1/2x28 threaded muzzle for muzzle devices or suppressor use
- Ambidextrous controls for left- and right-handed shooters
- Pistol stabilizing brace fitted to the AR-pattern lower for added stability
- Tungsten Cerakote gray finish applied across the receiver set for a uniform look
- Ships with a 30-round magazine and is set up for common AR-pattern optics and accessory mounting

## What Customers Say

*AI-generated insights from customer reviews*

Owners of the Banshee MK4 in 9mm generally like how compact and light the pistol-caliber AR platform feels compared to a rifle-caliber build. The blowback action is usually described as soft-shooting, though a handful of owners note that ammunition choice affects how smoothly the bolt cycles, especially with lighter loads.

Ergonomics get consistent praise. The ambidextrous controls and pistol stabilizing brace make the Banshee comfortable to shoulder or brace against the forearm, and the threaded muzzle is popular with owners who want to add a suppressor or a compensator. Some find the AR-pattern grip angle less natural for a pistol-format gun than a standard handgun grip.

On value, CMMG's AR-pattern pistols benefit from broad compatibility with standard AR parts and accessories, so owners can swap handguards, optics mounts, and furniture without hunting for proprietary components. The included 30-round magazine and threaded barrel are frequently mentioned as good starting points for further builds.

## Pricing

**2 offers available**

| Vendor | Price |
|--------|-------|
| Shootingsurplus Com | $1544.71 |
| Buds Gun Shop | $1551.99 |

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