The CMMG Banshee Mk4 is a compact AR-style pistol built on CMMG’s modular Mk4 platform and chambered for .223 Rem/5.56 NATO with a 10.5-inch barrel. It pairs carbine-like ballistic performance with compact handling for range use and maneuverable configurations. Outfitted with a CMMG EML9 M-LOK handguard and RIP Brace, the Banshee Mk4 is set up for accessory mounting and practical, adaptable use.
Key Specifications
- The firearm is chambered in .223 Rem/5.56 NATO.
- The barrel measures 10.5 inches.
- The action is Semi-Auto.
- The magazine capacity is 30 rounds.
- The package includes one magazine.
- The frame material is aluminum.
- The finish is listed as Midnight Bronze.
- The handguard is a CMMG EML9 M-LOK unit for accessory mounting.
- The gas system is a .750-inch carbine gas system.
- The barrel material is 4140 CM steel.
Compact, component-focused, and accessory-ready, the Banshee Mk4 provides a capable, modular platform for informed shooters who value reliability and adaptability. Its combination of a short 10.5-inch barrel, robust CMMG components, and full-length M-LOK capability makes it well suited to range work and compact-carbine roles where space and modularity matter.
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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