The CMMG Banshee MkGs is a 9mm pistol-caliber pistol with a 5-inch black nitride threaded barrel. It comes with a brace and ships in a tungsten gray finish. The MkGs designation indicates the Glock-pattern magazine-compatible lower receiver. 
 

Key Specifications 

• Brand: CMMG 
• Model: Banshee MkGs 
• Caliber: 9mm 
• Action: Semi Auto 
• Capacity: 33 
• Barrel Length: 5 in 
• Color/Finish: Tungsten 
   

Detailed Features 

• 5-inch threaded barrel with black nitride finish 
• Glock-pattern magazine compatible lower 
• 33-round magazine capacity 
• Brace included 
• Tungsten gray finish on the receiver

Owners of the CMMG Banshee MkGs in 9mm value the Glock-magazine compatibility above nearly everything else. Being able to share magazines across platforms is a practical benefit that comes up in almost every positive review, and the 33-round capacity adds to the appeal.

The threaded barrel and overall build quality are regularly praised. The black nitride finish on the barrel is seen as durable. The brace setup suits the compact format well, and the tungsten finish tends to attract buyers who want something other than flat black.

Complaints center mainly on the price-to-features ratio compared to competing 9mm pistol-caliber options. Some owners also note that the short 5-inch barrel produces a noticeable blast with standard ammunition and suggest a suppressor as a natural pairing given the threaded muzzle.