USED CMMG Banshee Mk57 5.7x28mm Pistol with Brace and 20-Round Magazine
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Description
The CMMG Banshee Mk57 is a compact, lightweight platform chambered in the fast-shooting 5.7x28mm cartridge. Built around CMMG’s proprietary Mk57 lower, it accepts FN Five-seveN-pattern magazines and uses CMMG’s Radial Delayed Blowback operating system for manageable recoil and reliable cycling.
This example has a black finish, full-length Picatinny optics rail, ventilated M-LOK handguard, adjustable pistol brace, ambidextrous controls and a compact muzzle device. The short configuration makes it well suited for range use, compact storage and shooters looking for a distinctive personal-defense-style platform without the size and weight of a traditional rifle.
Based on the photographs, it appears to be in very good pre-owned condition, showing only minor handling marks. One 20-round magazine is included
Specifications
| Specification | Details |
|---|---|
| Manufacturer | CMMG |
| Model | Banshee Mk57 |
| Caliber | 5.7x28mm |
| Action | Semi-Automatic |
| Operating System | CMMG Radial Delayed Blowback |
| Platform | Mk57 |
| Barrel Length | Short-barrel configuration; exact length not confirmed |
| Barrel Twist | Typically 1:9 |
| Muzzle Threads | Typically 1/2x28 |
| Muzzle Device | Compact muzzle device |
| Upper Receiver | Billet Aluminum |
| Lower Receiver | Mk57 Aluminum Receiver |
| Handguard | Free-Floating M-LOK |
| Optics Mount | Full-Length Picatinny Rail |
| Controls | Ambidextrous Charging Handle and Safety |
| Brace | Adjustable Pistol Brace |
| Magazine Pattern | FN Five-seveN Pattern |
| Magazine Capacity | 20 Rounds |
| Finish | Black |
| Condition | Very Good Pre-Owned |
| Included | One 20-Round Magazine |
| Serial Number | BDB02552 |