The CMMG Banshee MK47 is a semi-automatic pistol chambered in 7.62x39mm with a 12.5-inch barrel, 30-round capacity, and Cerakote Black finish. At 6.1 lbs and 28.7 inches overall, it occupies the space between a compact pistol and a short-barreled rifle. 
 

Key Specifications 

• Caliber: 7.62 x 39mm 
• Barrel Length: 12.5" 
• Capacity: 30 rounds 
• Weight: 6.1 lbs 
• Overall Length: 28.7" 
• Finish: Cerakote Black 
• Manufacturer: CMMG 
• Model Number: Banshee MK47 
   

Features 

The operating system is direct impingement. The barrel is 4140CM steel with a 1:10 twist rate. Muzzle device is CMMG's ZEROED Linear Compensator, which reduces muzzle rise. Upper and lower receivers are Billet 7075 T6 Aluminum. The charging handle is ambidextrous, and an integrated trigger guard is built into the lower. Controls are placed for natural reach without modification. 
 
Chamber compatibility with standard AK magazines is one of the practical selling points -- 7.62x39 is widely available and affordable compared to many pistol-caliber carbine options. The 12.5-inch barrel extracts reasonable velocity from the cartridge without the NFA paperwork that a rifle-length version would require.

The Banshee MK47 draws interest mostly from shooters who want the 7.62x39 cartridge in an AR platform. The combination isn't new, but CMMG's execution gets credit for being reliable out of the box -- feeding and ejection issues that plagued early AK-mag-fed ARs are largely not reported here.

The 12.5-inch barrel is cited as a good compromise between maneuverability and ballistics. AK magazine compatibility is a practical plus given the cost and availability of 7.62x39 ammunition. CMMG's build quality is consistently mentioned as a strength.

Weight at 6.1 lbs is heavier than some comparable pistols, which some users flag as a downside for extended use. Price draws pushback from buyers who feel the premium over budget AR-pattern options isn't fully justified. Aftermarket accessory options are noted as somewhat limited compared to more mainstream configurations, which matters for shooters who plan significant customization.