CMMG Banshee MK4 9mm Pistol
- .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
CMMG's Banshee MK4 is a 9mm AR-pattern pistol featuring a standard lower receiver, RipBrace, and full M-LOK accessory slots for customization.
CMMG Banshee MK4 9mm Pistol
The Banshee MK4 represents a thoughtful approach to the modern 9mm AR-pattern pistol. Built on a standard AR15-pattern lower receiver, this platform offers shooters the familiar manual of arms they already know, combined with the advantages of 9mm economics and performance.
Key Features
- Standard AR15 Lower Receiver — Use existing AR knowledge and ergonomics
- 9mm AR Conversion Magazines — Dedicated magazine platform for reliable feeding
- Magazine Conversion Capability — Adapt your existing PMAGs to 9mm with CMMG conversion adapters
- RipBrace — Quick-deploying stabilizing brace for enhanced control
- EML Handguard — Lightweight, modular design with extensive accessory mounting
- Full M-LOK Compatibility — Slots on both sides and bottom of handguard, plus M-LOK sections between top Picatinny rail segments
Why Choose the Banshee MK4
This platform bridges the gap between AR-15 familiarity and 9mm efficiency. Whether you're building a compact home-defense setup, a training platform, or an entertaining range gun, the Banshee MK4 delivers flexibility. The extensive M-LOK mounting system means you can configure this pistol exactly as you need it—lights, lasers, optics, and more.
The ability to convert standard magazines to 9mm adds practical value to shooters who already have AR accessories on hand.
