Description
The CMMG Banshee MKG .45 ACP 8″ RipBrace — 13+1 is a compact .45 ACP pistol that pairs a radial delayed blowback operating system with an 8-inch threaded barrel and a RipBrace polymer brace. Built on the MkG platform, it accepts Glock-pattern .45 ACP magazines and delivers softer recoil than traditional straight blowback designs. This setup is designed for urban shooters who need a portable, controllable package for home defense or range use.
| Manufacturer | CMMG |
|---|---|
| Model | Banshee MKG .45 ACP 8″ RipBrace |
| Material | Aluminum receiver, steel barrel, polymer brace (per manufacturer specs) |
| Compatibility | Glock-pattern .45 ACP magazines |
| Finish | Black anodized receiver, black oxide barrel |
| Weight | 5.2 lbs (empty, per manufacturer specs) |
| Condition | New |
Key Features
- Radial Delayed Blowback System — Why it matters: This system reduces felt recoil by delaying the bolt opening until chamber pressure drops, making follow-up shots faster and more accurate compared to straight blowback .45 ACP pistols.
- 8-Inch Threaded Barrel — Why it matters: The threaded barrel lets you attach a suppressor or compensator, cutting muzzle rise and noise in tight urban environments.
- RipBrace Polymer Brace — Why it matters: This adjustable brace stabilizes the platform without a tax stamp, giving you a third point of contact for precise shots from the shoulder or cheek.
- Ambidextrous Controls — Why it matters: The safety selector and magazine release are mirrored on both sides, so left-handed or right-handed shooters can run it without fumbling under stress.
- 13+1 Round Capacity — Why it matters: Double-stack Glock-pattern magazines give you 14 rounds of .45 ACP on tap, enough to handle multiple threats in a home-defense scenario.
Who It’s For
This is for the city dweller who carries a .45 ACP and wants a compact pistol that bridges the gap between a handgun and a rifle. If you live in an apartment, need something maneuverable in tight hallways, and want a platform that accepts suppressors or compensators, the Banshee MKG fits. It’s also for shooters who value reduced recoil and ambidextrous handling over a traditional 1911 or straight blowback .45 carbine.
Pros & Cons
- Pro: Radial delayed blowback cuts recoil noticeably — about 30% less perceived kick than a direct-blowback .45.
- Pro: Accepts standard Glock 21 magazines, which are widely available and affordable.
- Pro: The 8-inch barrel gives you a velocity boost over a 5-inch pistol barrel, improving terminal ballistics.
- Con: The polymer brace isn’t as rigid as a dedicated stock, so cheek weld can shift slightly under rapid fire — an honest trade-off for the brace’s legal flexibility.
Comparison
| Feature | CMMG Banshee MKG .45 ACP | Zev Technologies OZ9C | Agency Arms AOS 9mm |
|---|---|---|---|
| Caliber | .45 ACP | 9mm | 9mm |
| Barrel Length | 8″ | 4.5″ | 5.4″ |
| Operating System | Radial delayed blowback | Striker-fired, recoil operated | Striker-fired, recoil operated |
| Capacity | 13+1 | 15+1 | 17+1 |
| Brace | RipBrace (included) | None (pistol only) | None (pistol only) |
| Price | $1,670.37 | ~$1,800 | ~$2,100 |
FAQ
Does the CMMG Banshee MKG .45 ACP accept standard Glock magazines?
Yes. It uses Glock-pattern .45 ACP magazines, including factory Glock 21 mags and aftermarket options like Magpul. The 13-round mag included is a double-stack design.
Can I mount a suppressor on the 8-inch barrel?
Yes. The barrel is threaded 5/8×24, which is standard for .45 ACP suppressors. You’ll need a piston adapter if your can uses a different thread pitch, but most .45 suppressors fit directly.
Is the RipBrace legal to shoulder without a tax stamp?
As of April 2026, the ATF treats braces as pistol stabilizing braces, not stocks. Shouldering a brace is not a crime under current rulings, but always check local laws. The RipBrace is designed for arm-brace use primarily.
How does the radial delayed blowback improve shooting?
It delays the bolt opening until chamber pressure drops, which reduces the sharp recoil spike common in straight blowback .45 ACP designs. This means less muzzle rise and faster follow-up shots, especially with +P ammunition.
Ready to Order?
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Semi Auto Handguns | .45 ACP Pistols | Pistol Braces
Last updated: April 2026
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