Compact and purpose-built, the CMMG Banshee MK4 is an AR-pattern pistol chambered in .300 AAC Blackout on the Mk4 platform. It pairs a short, threaded barrel with a modular M-LOK handguard and CMMG ZEROED controls to provide a configurable, compact option for short-barrel utility, close-quarters training, and personal protection roles. The platform supports common AR-style upgrades while retaining the features of the MK4 receiver set.
Key Specifications
- The caliber is .300 AAC Blackout.
- The barrel measures 12.5 inches and is supplied in a threaded configuration.
- The action is Semi-Auto.
- The rifle features a CMMG EML M-LOK handguard for accessory mounting.
- The receivers are a billet 6061 T6 upper and a Mk4 forged 7075 T6 lower.
- The muzzle uses 5/8×24 threads and ships with a CMMG ZEROED linear muzzle device.
- The safety is a CMMG Zeroed 60/90 degree ambidextrous selector.
- The firearm includes a CMMG RipBrace pistol brace.
- The trigger is a ZEROED drop-in single-stage unit.
- The package includes one Magpul 30rd PMAG.
Built on CMMG’s Mk4 architecture, this Banshee MK4 pistol blends compact handling with AR-style ergonomics and upgradeability. Its combination of a short threaded barrel, modular M-LOK handguard, and Zeroed branded controls makes it a straightforward choice for users seeking a compact AR-pattern pistol platform that accepts common accessories and magazines.
Product information is supplied by the manufacturer and/or distributor and may be automatically formatted or enhanced using AI for clarity and consistency. While we strive for accuracy, specifications, features, and included items may change without notice. Always verify details using the manufacturer’s official documentation and the information shown on this product page before purchase or use.
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