CMMG Banshee Mk4 Pistol .300 AAC Blackout 8″ 30rd

About this product

Compact and capable, the CMMG Banshee Mk4 pistol is chambered in .300 AAC Blackout and built on the Mk4 AR platform for short-barrel and suppressed applications. The design emphasizes a space-efficient profile with an 8-inch threaded barrel and a pistol tube stock. The Banshee Mk4 features CMMG’s EML M-LOK handguard with full-length M-LOK slots and top Picatinny rail sections to accept accessories while keeping the package compact and maneuverable.

Standard equipment includes ambidextrous controls, a linear muzzle device, and a 30-round magazine for extended capacity. The pistol’s components combine aluminum receiver construction with polymer ergonomics for a balance of stiffness and reduced weight.

Key Specifications

• Chambered in .300 AAC Blackout.
• The barrel measures 8 inches and is threaded for accessories with 5/8-24 muzzle threads.
• Magazine capacity is 30 rounds and one magazine is included.
• The action is Semi-Auto.
• Frame material is Aluminum with a Black frame color.
• Grip material is Polymer.
• The handguard is a CMMG EML7 M-LOK design with full-length M-LOK slots.
• The barrel material is listed as 4140 CM.
• Includes ambidextrous safety and controls; safety is CMMG Zeroed 60/90 Degree.
• The listed weight is 66 ounces.

The Banshee Mk4 is a thoughtfully configured compact AR-pattern pistol that balances capability and control in tight configurations. Its combination of an 8″ threaded barrel, full-featured M-LOK handguard, ambidextrous controls and a high-capacity tube magazine makes it well suited for users seeking a compact, adaptable platform for short-barrel or suppressed use.

Related Videos: