CMMG Banshee Mk4 300 Blackout 8″ 30+1 Pistol

About this product

Compact and capable, the CMMG Banshee Mk4 is built around the AR-15 pattern for reliable performance in short-barrel, suppressed, and subsonic applications. The Mk4 platform in this configuration pairs an 8″ threaded barrel with a Tungsten Cerakote aluminum receiver and a CMMG RipBrace pistol brace for compact handling. The firearm ships with a 30-round magazine and an M-LOK EML handguard for accessory mounting. Controls are ambidextrous to accommodate a broad range of users.

Key Specifications

• The caliber is 300 Blackout.
• The barrel measures 8″ and is threaded.
• The capacity is 30 + 1.
• The action is Semi-Auto.
• The overall length is 23.70″.
• The weight is 5.10 lbs.
• The finish is Tungsten Cerakote.
• The barrel type is Threaded.
• The stock type is a Pistol Brace (CMMG RipBrace).
• Includes 1 Magazine (30rd Magpul PMAG indicated in product details).

Purpose-built for compact applications where manageability and modularity matter, the Banshee Mk4 balances short-barrel performance with practical features like M-LOK mounting, an ambidextrous control set, and a threaded barrel for suppressed use. Its construction and component set make it well suited to shooters who prioritize a compact AR-pattern pistol with modern ergonomics and accessory options.

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