# CMMG Banshee MK4 5.56 NATO 10.5in Armor Black

**Brand:** CMMG
**Category:** AR Style Rifles
**Caliber:** 5.56 NATO

## Specifications

- **Caliber:** 5.56 NATO
- **Barrel Length:** 10.5"
- **UPC:** 810148624231
- **SKU:** UCEGJR423

## Description

The CMMG Banshee MK4 is a semi-automatic AR-pattern firearm chambered in 5.56 NATO with a 10.5-inch barrel and Armor Black finish. It has a 30+1 round capacity and ships with the RipBrace stabilizing brace; the 10.5-inch barrel configuration requires additional federal transfer paperwork.

### Key Specifications
- **Brand**: CMMG
- **Model**: Banshee MK4
- **Caliber**: 5.56 NATO
- **Action**: Semi Auto
- **Barrel Length**: 10.5"
- **Capacity**: 30+1
- **Color/Finish**: Armor Black

### Detailed Features
- 10.5-inch barrel; short-barreled configuration requires additional federal transfer paperwork
- 30+1 round capacity
- Ships with CMMG RipBrace stabilizing brace
- Optics-ready upper receiver
- Armor Black finish throughout

## Frequently Asked Questions

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

A: The Banshee MK4 is chambered in 5.56 NATO.

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

A: The Banshee MK4 is made by CMMG.

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

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

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

A: The barrel is 10.5 inches long.

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

A: It has a capacity of 30+1 rounds.

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

A: Yes, it ships with an optics-ready upper receiver.

**Q: Where can I buy the CMMG Banshee MK4?**

A: Compare current vendor offers on this page.

## What Customers Say

*AI-generated insights from customer reviews*

Owners of the CMMG Banshee MK4 in 5.56 NATO typically buy it for the compact AR form factor. The Armor Black finish and build quality get consistent praise; most owners find the fit and finish notably tighter than budget AR builds in the same barrel-length class.

The RipBrace is a polarizing component. Some owners keep it and appreciate the compact profile; others remove it early and follow the applicable regulatory path for their preferred configuration. Either way, the MK4 upper and lower quality is rarely the complaint.

Trigger feel draws divided opinion. The factory trigger is functional and most owners say it works reliably, but those coming from mil-spec triggers used to a lighter pull often upgrade it. 30+1 capacity on a platform this size is a point owners regularly mention as a practical positive.

## Pricing

**5 offers available**

| Vendor | Price |
|--------|-------|
| Buds Gun Shop | $1433.99 |
| Kygunco Com | $1437.74 |
| Shootingsurplus Com | $1442.00 |
| Grabagun Com | $1469.99 |
| Guns Com | $1563.99 |

## Similar Products

- [CMMG Banshee Mk4 5.56 NATO 10.5in Midnight Bronze](https://gunsnation.com/p/cmmg-banshee-mk4-5-56-nato-10-5in-midnight-bronze/UCEGJR42Y)
- [CMMG Banshee Mk4 5.56 NATO 12.5in Midnight Bronze](https://gunsnation.com/p/cmmg-banshee-mk4-5-56-nato-12-5in-midnight-bronze/UCEGJR43e)
- [CMMG Banshee MK4 9mm 8in Armor Black](https://gunsnation.com/p/cmmg-banshee-mk4-9mm-8in-armor-black/UCEnNb5zG)
- [CMMG Banshee 200 MK4 5.56 NATO AR Pistol - Compact Tactical Pro](https://gunsnation.com/p/cmmg-banshee-200-mk4-5-56-nato-ar-pistol-compact-tactical-pro/UCEN9zc7q)
- [CMMG Banshee MK4 338 ARC 10.5in Black](https://gunsnation.com/p/cmmg-banshee-mk4-338-arc-10-5in-black/UCEnNb6hi)
- [CMMG Banshee Mk4 .22 LR 9in Armor Black](https://gunsnation.com/p/cmmg-banshee-mk4-22-lr-9in-armor-black/UCEGJR3pf)

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