CMMG Banshee MK57 5.7x28 Compact Rifle
CMMG's Banshee MK57 in 5.7x28mm features an 8" threaded barrel, 7" M-LOK handguard, and radial delayed blowback operation. Ships with complete ZEROED parts kit and 20-round magazine.
The CMMG Banshee MK57: Compact Power in 5.7x28mm
The Banshee MK57 represents a thoughtful approach to compact rifle design. Built on CMMG's proven MK57 platform, this firearm chambers the efficient 5.7x28mm cartridge—a round that delivers velocity and capacity in a remarkably controllable package.
Key Features
Reliability and Operation
- Radial delayed blowback operating system for smooth, predictable cycling
- Accepts FN Five-seveN pattern magazines for proven reliability
- Oversized magazine release for intuitive operation
Ergonomics and Customization
- 7" EML handguard with full-length M-LOK slots on both sides, bottom, and between top Picatinny rail sections
- Black Armor Cerakote aluminum Picatinny rail receiver
- 8" medium taper barrel with threading for suppressors or muzzle devices
Complete Parts Package The Banshee MK57 ships with CMMG's full ZEROED parts kit:
- Ambidextrous safety (60/90 degree)
- Drop-in trigger
- Ambidextrous charging handle (AR15-pattern)
- Pistol grip
- Bolt catch
- Polymer dust cover
- Linear compensator (9mm)
- 20-round ProMag magazine
Why the Banshee MK57
This rifle excels as a home defense tool, range companion, or specialized competition platform. The 5.7x28mm cartridge offers less recoil than 5.56 NATO while maintaining effective velocity. The compact 8" barrel and extensive M-LOK mounting options make it highly configurable for your specific needs.
