CMMG Banshee MK4 4.6x30mm Tactical Pistol - 8" Barrel, 40-Rd Capacity

Name: CMMG Banshee MK4 4.6x30mm Tactical Pistol - 8" Barrel, 40-Rd Capacity
Brand: CMMG
SKU: UCEGJAh2T
Availability: InStock

The CMMG Banshee MK4 4.6x30mm Tactical Pistol - 8" Barrel, 40-Rd Capacity is a 4.6X30MM HK pistol caliber carbines from CMMG. It is available from 3 vendors at $1288.57 to $1304.29.

CMMG Banshee MK4 4.6x30mm Tactical Pistol - 8" Barrel, 40-Rd Capacity - view 2

From $1288.57

Product Information

Name: CMMG Banshee MK4 4.6x30mm Tactical Pistol - 8" Barrel, 40-Rd Capacity

Brand: CMMG

Category: Pistol Caliber Carbines

Caliber: 4.6X30MM HK

Barrel Length: 8"

Capacity: 40 rounds

UPC: 810144722597

SKU: UCEGJAh2T

Description

The CMMG Banshee MK4 is a semi-automatic pistol chambered in 4.6x30mm. The caliber is unusual for civilian use, originally developed for the H&K MP7, and gives the platform a distinctive profile in terms of recoil and ballistics.

Key Specifications

Caliber: 4.6 x 30mm
Barrel Length: 8 inches
Capacity: 40 rounds
Weight: 3.9 lbs
Overall Length: 23.7 inches
Condition: New in Box
Finish Color: Black

Features

The direct impingement operating system cycles reliably using gas from fired cartridges. The 8-inch barrel is made from 4140CM steel with a Salt Bath Nitride finish and a 1:5.9 twist rate. The upper receiver is billet 6061 T6 aluminum; the lower is Mk4 forged 7075 T6 aluminum. CMMG's ZEROED Linear Compensator is included, which reduces muzzle rise for faster follow-up shots. Controls are ambidextrous. Charging handle and safety selector work for left- and right-handed shooters.

At 3.9 lbs and 23.7 inches overall, the Banshee MK4 is compact and easy to maneuver. The 40-round capacity extends range sessions before reloads. Prospective buyers should note that 4.6x30mm ammunition is less available and more expensive than common calibers, which is worth factoring into the purchase decision.

Complete Specifications

Caliber	4.6X30MM HK
Model	Banshee MK4
Capacity	40 rounds
Magazines included	0
Barrel length	8"
Overall length	20.9"
Weight	62.4 oz
Finish	Black
Color	Black
Sights	None
Safety	CMMG Zeroed 60/90 Degree

Frequently Asked Questions

What caliber is the Banshee MK4?

The Banshee MK4 is chambered in 4.6x30mm.

Who makes the Banshee MK4?

The Banshee MK4 is made by CMMG.

What type of firearm is the Banshee MK4?

It is a semi-automatic pistol in the pistol caliber carbine category.

What is the barrel length of the Banshee MK4?

It has an 8-inch barrel.

How many rounds does the Banshee MK4 hold?

It has a 40-round capacity.

Is the Banshee MK4 threaded?

Yes, the Banshee MK4 has a taper threaded barrel.

Where can I buy the Banshee MK4?

Compare current vendor offers on this page.

Customers Say

AI-generated insights derived from customer reviews and discussions on popular gun-enthusiast forums.

Community discussion around the CMMG Banshee MK4 in 4.6x30mm splits along predictable lines. Shooters drawn to the unusual caliber like the low recoil and the platform's compact handling. The 40-round capacity and compatibility with optics and lights get positive mentions. Build quality is generally considered solid for the price.

The practical concern that comes up most is ammunition. 4.6x30mm is not a common round. It costs more and is harder to source than 9mm or 5.56, which affects how often people can shoot it and at what cost. Some buyers also weigh whether the Banshee MK4 makes sense for their needs versus a more conventional pistol caliber carbine. Overall the sentiment is positive among those who specifically want the 4.6x30mm format, more cautious among buyers evaluating it against mainstream alternatives.