CMMG Banshee MK4 5.7x28 Pistol, 5" Barrel
- .300 BLK 12.5" Barrel $1,200.00
- .300 BLK 8" Pistol $1,394.68
- .300 Blackout 8" Midnight Bronze $1,503.76
- .300 Blackout, 8" Barrel $1,503.76
- .308 Win 12.5" Barrel $1,705.87
- .338 ARC, 10.5" Midnight Bronze $1,528.35
- CMMG Banshee MK4 300 Blackout 12.5" Carbine $1,528.35
- CMMG Banshee MK4 300 Blackout 12.5" Pistol $1,543.79
- 300 Blackout 12.5" Coyote Tan $1,543.79
- 300 Blackout 8" Bronze $1,515.34
- 300 Blackout 8" Coyote Tan $1,503.76
- 300 Blackout 8" Pistol $1,515.34
Ultra-compact CMMG Banshee MK4 AR pistol in 5.7x28mm with 5" black nitride barrel, M-LOK handguards, Picatinny rail, and Midnight Bronze Cerakote finish. Standard AR15 lower compatible.
The CMMG Banshee MK4: Innovation in a Compact Package
The Banshee MK4 represents a significant leap forward in AR-platform pistol design. Built on CMMG's proven Mk4 AR15 platform, this 5.7x28mm pistol delivers modern performance in an ultra-compact form factor.
Key Features
Barrel & Action
- 5" black nitride medium taper barrel with threaded muzzle
- 40+1 round capacity using standard AR conversion magazines
- Compact profile fits easily in tight spaces
Handguard & Accessories
- M-LOK slots at 3, 6, and 9 o'clock positions for modular attachment
- Full-length Picatinny top rail for optics and accessories
- Integrated handstop for positive control
- EML4 handguard design balances weight and functionality
Finish & Ergonomics
- Midnight Bronze Cerakote aluminum construction
- CMMG Zeroed Grips for confident handling
- Picatinny rail receiver for maximum customization
Why the Banshee MK4?
The 5.7x28mm cartridge offers reduced recoil and hearing damage compared to traditional pistol rounds, while the compact 5" barrel makes this platform ideal for home defense, training, or specialized applications. The use of a standard AR15 lower receiver means you can leverage existing parts and knowledge from the AR platform ecosystem.
