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There is something deeply satisfying about running .45 ACP through an AR platform, and the Banshee MKG is CMMG making the case that it belongs there. This is the shortest .45 Banshee in the lineup, built around a 5 inch barrel with a Zeroed linear compensator threaded on at 37/64-28, so the blast gets pushed downrange instead of back at your face. At 20.8 inches overall and roughly 4.8 pounds, it tucks into a backpack or truck bag without a second thought, and the Midnight Bronze Cerakote gives it a look that stands apart from the sea of black rifles on the rack.
The heart of this pistol is CMMG's Radial Delayed Blowback system, the design that debuted on the original .45 MkG back in 2017. Instead of relying on a heavy bolt and buffer to soak up recoil like straight blowback guns, the rotating bolt delays the action mechanically. That means a lighter bolt carrier, a softer recoil impulse, and a .45 that shoots more like a 9mm carbine. This FE version adds a fixed ejector, CMMG's latest refinement to the platform, which simplifies the system and keeps ejection consistent.
CMMG did not cut corners on the small parts. You get their Zeroed drop-in trigger, a 60/90 degree ambidextrous safety, an ambi charging handle, and their Zeroed pistol grip. The EML4 handguard runs M-LOK slots at 3, 6, and 9 o'clock with a full length Picatinny top rail and a built-in handstop, so lights, lasers, and optics mount up without drama. The flat top is optics ready, and a red dot is the natural pairing here. Out back, the RipBrace extends with a quick pull, no fumbling with adjustment buttons.
Magazines are the easy part. The MKG runs Glock-pattern .45 ACP mags and ships with a 13 rounder, so spares are affordable and everywhere. Whether you want a hard-hitting home defense setup, a suppressor host, or just a big-bore range companion, this one covers all three, and CMMG backs it with their Lifetime Quality Guarantee.
It feeds from Glock-pattern .45 ACP magazines, the same ones used by the Glock 21, and ships with one 13-round mag. That is a big plus since spare mags are widely available and reasonably priced compared to proprietary designs.
No, it ships optics ready with a bare full-length Picatinny top rail. Most owners drop a red dot on it, though backup irons work fine too. Plan on adding an optic before your first range trip.
Straight blowback guns rely on a heavy bolt and stiff buffer to manage the action, which makes for a snappy recoil impulse. CMMG's Radial Delayed Blowback uses a rotating bolt to delay the action mechanically, allowing a lighter bolt carrier and noticeably softer recoil. The FE in this model's name refers to the fixed ejector, CMMG's newest update to the system.
Yes, the barrel is threaded 37/64-28, which is the common thread pitch for .45 caliber suppressors. Just remove the factory linear compensator and thread on your can. Subsonic .45 ACP loads make this a naturally quiet suppressor host.
| UPC | 840442505257 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | 45A150F-MB |
| Action | |
| Barrel Length | 5" |
| Caliber/Gauge | .45 ACP |
| Capacity | 13 |
| Color | Midnight Bronze |
| Model | |
| Product Type | AR |
| Safety | Ambidextrous |
| Shipping Weight | 10.0 |
| Sights | Optics Ready |
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