CMMG Banshee MkGs 9mm Pistol — 5″ Threaded, 33+1

Description

The CMMG Banshee MkGs 9mm Pistol — 5″ Threaded, 33+1 is a compact, high-capacity AR-style pistol built for shooters who want reliable performance in a short package. Chambered in 9mm, it uses double-stack Glock-pattern magazines, giving you a 33+1 capacity right out of the box. The 5″ black nitride threaded barrel, tungsten Cerakote aluminum receiver, and M-LOK EML handguard make it ready for accessories and range use. This pistol ships with a RipBrace pistol brace and one 33-round magazine, offering a practical option for personal defense where legal.

Manufacturer	CMMG
Model	Banshee MkGs 9mm Pistol — 5″ Threaded, 33+1
Material	Aluminum receiver, steel barrel, polymer furniture (per manufacturer specs)
Compatibility	Glock-pattern magazines (9mm double-stack)
Finish	Tungsten Cerakote receiver, black nitride barrel
Weight	Approximately 5.6 lbs (unloaded, per manufacturer specs)
Condition	New

Key Features

• 5″ Black Nitride Threaded Barrel — Why it matters: The nitride finish resists wear and corrosion, while the threading allows you to attach a suppressor or muzzle device. This barrel length keeps the pistol compact while still giving good velocity with 9mm loads.
• Tungsten Cerakote Aluminum Receiver — Why it matters: Cerakote provides a durable, low-glare finish that holds up to holster wear and cleaning solvents. The tungsten color gives it a clean, professional look that doesn’t scream for attention.
• M-LOK EML Handguard — Why it matters: The M-LOK slots let you mount lights, lasers, or grips without adding bulk. The handguard is slim enough for a solid grip and stays cool during extended strings of fire.
• RipBrace Pistol Brace — Why it matters: The RipBrace provides a stable shooting platform without the legal hassle of a stock. It adjusts for length of pull and stays secure against your forearm, making the pistol more controllable during rapid fire.
• 33+1 Double-Stack Glock-Pattern Magazine — Why it matters: You get 33 rounds on tap from the factory, reducing reloads during range sessions or defensive drills. Glock-pattern mags are widely available and reliable, so you can stock up without hunting for proprietary parts.

Who It’s For

This pistol is for the shooter who wants a compact 9mm platform that runs on proven Glock magazines. It’s suited for range use, home defense, or competition where a pistol brace is allowed. If you appreciate a well-built AR-style pistol with a threaded barrel and a finish that won’t quit, the Banshee MkGs fits the bill.

Pros & Cons

• Pros: Reliable blowback system, high capacity (33+1), threaded barrel for suppressors, durable Cerakote finish, M-LOK handguard for accessories.
• Cons: The RipBrace is functional but not as rigid as a dedicated stock; some users prefer a different brace or a carbine buffer tube for a more solid cheek weld.

Comparison

Feature	CMMG Banshee MkGs 9mm	Zev Technologies OZ9 Pistol	Agency Arms AOS 9mm
Caliber	9mm	9mm	9mm
Barrel Length	5″ (threaded)	4.5″ (threaded)	5.28″ (threaded)
Magazine Capacity	33+1 (Glock-pattern)	17+1 (Glock-pattern)	17+1 (Glock-pattern)
Brace/Stock	RipBrace pistol brace	None (pistol only)	None (pistol only)
Receiver Finish	Tungsten Cerakote	Black anodized	Black anodized
MSRP	$1,682.45	$1,899.00	$1,749.00

FAQ

Does the CMMG Banshee MkGs 9mm pistol come with a magazine?

Yes, it ships with one 33-round Glock-pattern magazine. The 33+1 capacity means you can load 33 rounds in the magazine plus one in the chamber.

Is the barrel threaded? What thread pitch?

Yes, the 5″ barrel is threaded. Per CMMG specs, the thread pitch is 1/2×28, which is standard for 9mm suppressors and muzzle devices.

Can I use standard Glock magazines in this pistol?

Yes, the Banshee MkGs is designed for double-stack Glock-pattern magazines. Standard Glock 17, 19, and 33-round magazines all work.

What is the weight of the CMMG Banshee MkGs 9mm pistol?

Per manufacturer specs, the unloaded weight is approximately 5.6 lbs. This includes the RipBrace brace and the 5″ barrel.

Is this pistol legal in all states?

Laws vary by state and locality. The pistol ships with a brace, which is legal under current ATF rulings, but you should check your local regulations regarding AR-style pistols and magazine capacity. We ship nationwide, but some states may restrict high-capacity magazines.

Why Buy From Us

• ✔ Nationwide delivery (all 50 states)
• ✔ Ships 1-2 business days
• ✔ 30-day returns
• ✔ Secure checkout

Last updated: April 2026

According to NSSF data, 9mm AR-style pistols accounted for over 40% of pistol-caliber carbine sales in 2025, showing strong demand for compact, high-capacity platforms like this Banshee.

Browse more options in our AR Pistols and 9mm Pistols categories.