The CMMG Banshee MK3 (33A030C-MB) is an AR-platform pistol built on CMMG’s Mk3 (AR-10) size receiver and chambered in 8.6 Blackout with a 12.50″ barrel. It combines a mid-length 11″ M-LOK handguard and 7075-T6 aluminum construction with a Black Nitride 4140CM barrel for a compact, durable package. For a practical optic under $1,000 that matches the platform’s short-to-mid range focus, the Vortex Sparc AR provides a clear sight picture and robust mount options. Typical applications for this configuration include short-range hunting and range training.
Product Specifications
The manufacturer is CMMG.
The model is Banshee MK3 (33A030C-MB).
The caliber is 8.6 Blackout.
The barrel measures 12.50″.
The barrel material is 4140CM.
The barrel finish is Black Nitride.
The handguard is 11″ M-LOK.
The capacity is 20 + 1.
The overall length is 29.50″.
The weight is 7.40 lbs.
The stock material is Polymer.
The trigger is a Zeroed Drop-In Single Stage.
The muzzle device is a CMMG Zeroed Linear Compensator.
The receiver material is 7075-T6 Aluminum.
The UPC is 810148628857.
Built to bring large-caliber performance into a compact AR-format, the Banshee MK3 balances portability and capability through choice materials and a short, efficient barrel. The 11″ M-LOK handguard leaves room for essential accessories without excess bulk, and the Black Nitride barrel finish improves surface hardness and corrosion resistance. If you want a compact AR-style pistol for short-range field work or deliberate practice, this Banshee configuration offers a solid foundation for optics, support accessories, and ammunition optimized for 8.6 Blackout.
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