Compact and capable, the CMMG Banshee Mk4 is an AR-pattern pistol built around the .300 Blackout cartridge and designed for short-barrel, suppressed, and general-purpose applications. The platform pairs an 8-inch threaded barrel with a Tungsten Cerakote aluminum receiver and CMMG’s RipBrace pistol brace for a compact, ready-to-use package. The EML M-LOK handguard and a threaded black nitride barrel provide modularity and accessory mounting for a range of shooting roles.
Key Specifications
- The caliber is .300 Blackout, suitable for short-barrel and suppressed use.
- The model is the Banshee Mk4 from CMMG.
- The barrel measures 8 inches and is threaded for muzzle devices or suppressors.
- The magazine capacity is 30+1 rounds (includes one 30rd magazine).
- The action is Semi-Auto for standard AR-pattern operation.
- The finish is Tungsten Cerakote on an aluminum receiver.
- The overall weight is approximately 5.10 lbs.
- The overall length measures 23.70 inches with the RipBrace configuration noted in specifications.
- The stock is a RipBrace pistol brace (polymer).
- The handguard is an EML M-LOK style with full-length M-LOK slots for accessory mounting.
Well-suited to shooters who want a compact AR-pattern pistol with proven .300 Blackout performance, the Banshee Mk4 balances size, functionality, and accessory capability. Its threaded 8-inch barrel, robust receiver finish, and M-LOK handguard make it a practical choice for a variety of short-barrel roles while the included 30-round magazine provides immediate use from transfer.
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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