Built on CMMG’s proven Mk4 AR15-pattern lower, the Banshee MK4 is a compact 9mm platform optimized for close-quarters handling. It ships with a 5-inch threaded barrel and is compatible with CMMG 9mm AR conversion magazines and PMAG conversion adapters. The design includes an EML handguard with M-LOK attachment points and a deployable RIPBRACE pistol brace for compact, controllable operation.
Key Specifications
- The caliber is 9mm.
- The barrel length is 5 inches, and the barrel is threaded.
- The capacity is 30 + 1.
- The action is Semi-Auto.
- The weight is 5 lbs.
- The overall length is 20.80 inches.
- The stock type is a Pistol Brace with a Black finish and polymer material.
- The finish is Cerakote in Midnight Bronze.
- The hand orientation is Ambidextrous.
- The model is the Banshee built on the Mk4 platform.
Compact and purpose-built, the CMMG Banshee MK4 is a practical choice for shooters wanting a condensed AR-style 9mm platform with modern features. Its short, threaded barrel, M-LOK-ready EML handguard, and compatibility with CMMG’s 9mm magazines and conversion adapters make it a versatile option for range work and maneuverable field use. The Cerakote Midnight Bronze finish and lightweight construction keep the package both durable and manageable for informed shooters who value straightforward, high-performance equipment.
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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