The CMMG Banshee Mk4: Purpose-Built for Modern Shooting

The CMMG Banshee Mk4 in 300 Blackout represents a thoughtful evolution in compact rifle design. This platform was engineered specifically for the 300 Blackout cartridge—a round originally developed to deliver optimal performance in short-barrel, suppressed applications.

Key Features

Barrel and Action

  • 8-inch black nitride threaded barrel for suppressor compatibility
  • Compact overall length without sacrificing ballistic efficiency
  • 300 Blackout cartridge excels with subsonic ammunition and sound suppressors

Ergonomics and Control

  • CMMG RipBrace for stable, comfortable shooting
  • CMMG Zeroed grip engineered for intuitive control
  • Quick-deploy design for rapid transitions

Modularity and Customization

  • Extended M-LOK handguard with full-length slots on both sides and bottom
  • M-LOK mounting points between top Picatinny rail sections
  • Picatinny rail for optics and accessories
  • Tungsten Cerakote aluminum receiver for durability and corrosion resistance

Included

  • 30-round Magpul PMAG magazine
  • Factory zeroed and ready to shoot

Why the Banshee Mk4?

This is a rifle for shooters who understand that bigger isn't always better. The 300 Blackout cartridge delivers substantial power in a compact package, making the Banshee Mk4 ideal for home defense, tactical training, and suppressed shooting. The modular design means you can adapt it to your specific needs as your skills and requirements evolve.

Attributes

Barrel Length: 8"
Capacity: 30+1
Grips: CMMG Zeroed
Overall Length: 23.7"
Sights: None
Stock Finish: Black
Stock Material: Polymer
Weight: 5.1 lbs
Caliber: Banshee