CMMG Banshee MK3 8.6 Blackout Upper Receiver

CMMG Banshee MK3 Upper Receiver in 8.6 Blackout

The Banshee platform represents a thoughtful approach to modern rifle design. This upper receiver assembly delivers the benefits of the 8.6 Blackout cartridge—a potent subsonic round—in a compact, AR-compatible package.

Key Features

• Caliber: 8.6 Blackout—a powerful subsonic option for suppressed shooting
• Barrel Length: 16.1 inches, optimized for velocity and handling
• Finish: Black Armor Cerakote for durability and corrosion resistance
• Platform: AR-15 compatible upper receiver
• Design: Purpose-built for the 8.6 Blackout cartridge

What You Should Know

The 8.6 Blackout is a modern cartridge designed for subsonic performance, making it an excellent choice for suppressed rifles. The 16.1-inch barrel strikes a balance between velocity and maneuverability. The Black Armor Cerakote finish provides robust protection against wear and environmental conditions.

This upper receiver pairs with standard AR-15 lower receivers, making it a straightforward upgrade path for those already familiar with the platform. Whether you're building a dedicated suppressed rifle or exploring subsonic options, the Banshee MK3 offers a refined, purpose-built solution.