Designed as a compact, purpose-built AR pistol, the CMMG Banshee MK4 in 300 Blackout is intended for suppressed, subsonic, and short-barrel supersonic applications at the range or in controlled sporting environments. Its configuration emphasizes maneuverability and accessory adaptability while retaining AR-style ergonomics.

The Banshee MK4 pairs a Black Nitride medium taper threaded barrel with an EML handguard to provide a robust mounting platform and cooling profile. Controls and furniture are supplied as CMMG ZEROED components and the receiver features a Tungsten Cerakote aluminum Picatinny rail for optics and attachments.

Key Specifications

The caliber is 300 Blackout.
The capacity is 30+1.
The barrel length is 12.50 inches and it is a Black Nitride medium taper threaded barrel.
The handguard is an EML 7-inch M-LOK with full-length M-LOK slots on both sides and the bottom.
The receiver is a Tungsten Cerakote aluminum Picatinny rail.
The grips are CMMG ZEROED grips.
The firearm includes a 30-round PMAG.
The platform was created for subsonic, suppressed, and short-barrel supersonic applications.
The Banshee MK4 includes ZEROED controls and parts such as a drop-in trigger, 60/90° ambidextrous safety, linear compensator, ambidextrous magazine catch, extended magazine release button, ambidextrous charging handle, bolt catch, and polymer dust cover.

Buy the CMMG Banshee MK4 300 Blackout online today for a compact AR pistol platform that balances short-barrel performance and modular accessory options.

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