Product Overview
The CMMG Banshee MK4 is an AR pistol engineered for compact utility and optimized performance across 300 Blackout ammunition loadings. Specifically designed for superior performance in subsonic, suppressed, and short-barrel applications, it maintains consistent capability with supersonic rounds. This platform integrates CMMG’s ZEROED components for enhanced control and reliability, making it a precise instrument for its intended operational envelope.
Key Features
Optimized Performance
The 8-inch medium taper threaded barrel, finished in Black Nitride, is meticulously selected for 300 Blackout ballistics, particularly excelling with subsonic and suppressed configurations. This barrel length is crucial for maximizing powder burn efficiency within a compact footprint. The included CMMG ZEROED Linear Compensator effectively directs gasses forward, mitigating concussion in close quarters without obstructing suppressor integration.
Enhanced Ergonomics & Control
The Banshee MK4 integrates a comprehensive suite of CMMG ZEROED components to optimize user interface. This includes a ZEROED pistol grip for positive hand placement, a precise drop-in trigger for a consistent break, and a 60/90 degree ambidextrous safety selector for rapid manipulation. Further enhancing control are the ambidextrous magazine catch, an extended magazine release button, an ambidextrous charging handle, and a robust bolt catch, ensuring seamless operation regardless of the shooter’s dominant hand or position. The EML 7-inch M-LOK handguard provides extensive M-LOK slots on both sides, bottom, and between top Picatinny rail sections for versatile accessory integration.
Durable Construction
Constructed around a Tungsten Cerakote aluminum Picatinny rail receiver, the Banshee MK4 offers robust integrity while maintaining a reduced weight profile. The Black Nitride barrel finish enhances corrosion resistance and longevity under sustained use. A durable polymer dust cover ensures internal component protection from environmental ingress.
Technical Specifications
- Caliber: 300 Blackout
- Barrel Length: 8 inches
- Barrel Material/Finish: Black Nitride Medium Taper Threaded Steel
- Handguard: CMMG EML 7″ M-LOK Handguard
- Receiver Material/Finish: Aluminum Picatinny Rail Receiver, Tungsten Cerakote
- Magazine Capacity: 30 Rounds (Includes one 30rd PMAG magazine)
- Muzzle Device: CMMG ZEROED Linear Compensator
- Trigger: CMMG ZEROED Drop-In Trigger
- Safety: CMMG ZEROED 60/90 Degree Ambidextrous Safety
- Controls: CMMG ZEROED Ambidextrous Mag Catch, Extended Mag Release Button, Ambidextrous Charging Handle, Bolt Catch
- Grip: CMMG ZEROED Pistol Grip
- Dust Cover: Polymer









