# CMMG Banshee Mk4 FourSix 4.6x30mm 8in Armor Black

**Brand:** CMMG
**Category:** Pistol Caliber Carbines
**Caliber:** 4.6X30MM HK

## Specifications

- **Caliber:** 4.6X30MM HK
- **Barrel Length:** 8"
- **UPC:** 810148624026
- **SKU:** UCEGJR3yk

## Description

The CMMG Banshee Mk4 FourSix is a semi-automatic pistol-caliber platform chambered in 4.6x30mm with an 8-inch barrel. It has AR-15 controls and ships in an Armor Black finish. The magazine capacity is 40 rounds.

### Key Specifications
- **Brand**: CMMG
- **Model**: Banshee Mk4 FourSix
- **Caliber**: 4.6x30mm
- **Action**: Semi Auto
- **Capacity**: 40+1 rounds
- **Barrel Length**: 8 inches
- **Color/Finish**: Armor Black

### Detailed Features
- 8-inch barrel in a compact Banshee-series configuration
- AR-15 controls for familiar manual of arms
- Optics-ready cut for direct optic mounting
- 4.6x30mm chambering with 40-round capacity
- Armor Black finish

## What Customers Say

*AI-generated insights from customer reviews*

The CMMG Banshee Mk4 FourSix draws interest primarily from owners who want a compact platform in the 4.6x30mm cartridge. The AR-15 control layout is consistently praised as a selling point, and the optics-ready configuration is well received by those who run red dots.

The 8-inch barrel keeps the Banshee very compact. Some owners note that 4.6x30mm ammunition availability and cost are the main limiting factors for range use, and a few wish CMMG offered more finish options alongside Armor Black.

Build quality gets high marks across the board. The Mk4 platform is seen as more refined than earlier Banshee iterations, though trigger feel splits opinions, with some owners upgrading it fairly quickly after purchase.

## Pricing

**3 offers available**

| Vendor | Price |
|--------|-------|
| Classicfirearms Com | $1375.31 |
| Shootingsurplus Com | $1401.97 |
| Buds Gun Shop | $1411.49 |

## Similar Products

- [CMMG Banshee MK4 4.6x30mm Tactical Pistol - 8" Barrel, 40-Rd Capacity](https://gunsnation.com/p/cmmg-banshee-mk4-4-6x30mm-tactical-pistol-8-barrel-40-rd-capacity/UCEGJAh2T)
- [CMMG Banshee MK4 9mm 8in Armor Black](https://gunsnation.com/p/cmmg-banshee-mk4-9mm-8in-armor-black/UCEnNb5zG)
- [CMMG Banshee Mk4 .22 LR 9in Armor Black](https://gunsnation.com/p/cmmg-banshee-mk4-22-lr-9in-armor-black/UCEGJR3pf)
- [CMMG Banshee MK4 5.56 NATO 10.5in Armor Black](https://gunsnation.com/p/cmmg-banshee-mk4-5-56-nato-10-5in-armor-black/UCEGJR423)
- [CMMG Banshee MK4 9mm Luger 8in Gray](https://gunsnation.com/p/cmmg-banshee-mk4-9mm-luger-8in-gray/UCEnNb60G)
- [CMMG Banshee MK4 9mm 8in Midnight Bronze](https://gunsnation.com/p/cmmg-banshee-mk4-9mm-8in-midnight-bronze/UCEnNb5zl)

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