The CMMG Banshee MK47 is a semi-automatic pistol chambered in 7.62x39mm, built around an 8-inch barrel in a compact overall package. It runs on a direct impingement gas system and accepts standard AK-pattern Magpul PMAG magazines. 
 

Key Specifications 

• Model: Banshee MK47 
• Manufacturer: CMMG 
• Caliber: 7.62x39mm 
• Barrel Length: 8 inches 
• Capacity: 30 rounds (Magpul PMAG) 
• Weight: 5.6 lbs 
• Overall Length: 23.8 inches 
• Finish Color: Black (Cerakote) 
• Condition: New in Box 
   

Features 

Upper and lower receivers are machined from billet 7075 T6 aluminum. The operating system is direct impingement. The muzzle is threaded and ships with a CMMG ZEROED Linear Compensator that redirects gas and blast forward, reducing muzzle rise. The CMMG EML7 M-Lok handguard provides attachment points for accessories and helps manage heat during extended strings of fire.

Owners of the CMMG Banshee MK47 generally like it, with most discussion centering on its compact size and the practicality of the 7.62x39mm chambering.

The AK-magazine compatibility is a genuine selling point. PMAG AK mags are common and affordable, and not having to stock a proprietary format matters to people who already run AK-pattern rifles.

Build quality holds up well. Users report reliable function across multiple ammunition types, and the billet aluminum construction feels more refined than stamped or cast alternatives at the price. Customization through M-Lok and standard AR furniture is straightforward.

The main criticisms are price and recoil. At its retail price, the Banshee costs more than several competitors chambered in the same caliber, which prompts debate about value. Recoil in the compact 8-inch package is more noticeable than in a full-length rifle, and shooters who are newer to pistol-caliber carbines or this platform sometimes need time to adjust their grip and technique.

Parts and accessories availability has occasionally frustrated users, particularly when looking for model-specific components. The overall picture is a well-built, capable pistol with a real niche. But it's priced accordingly, and buyers should handle one before committing if recoil or ergonomics are a concern.