The Kriss USA Vector CRB Gen 3 is a semi-automatic pistol caliber carbine chambered in 10mm with a 16-inch threaded barrel. It uses a closed-bolt delayed blowback action, holds 33+1 rounds, and has a folding stock with an M-LOK shroud. 
 

Key Specifications 

• Brand: Kriss USA 
• Model: Vector CRB G3 
• Caliber: 10mm 
• Action: Semi Auto 
• Capacity: 33+1 
• Barrel Length: 16 inches 
• Color/Finish: Matte Black 
   

Detailed Features 

• 16-inch threaded barrel 
• Closed-bolt delayed blowback operating system 
• Folding stock 
• M-LOK handguard shroud 
• Compatible with Glock-pattern magazines

Vector CRB owners are drawn to the unique delayed blowback system, which noticeably tames felt recoil for a 10mm carbine. The 33-round capacity and Glock magazine compatibility are common talking points, especially for those who already own Glock handguns in the same caliber.

The Gen 3 updates get a mostly positive reception. Owners appreciate the M-LOK shroud for attaching accessories, and the folding stock makes storage and transport practical. Ergonomics are polarizing, though; the Vector's grip angle and layout require adjustment for shooters coming from more conventional carbines.

The price sits above many competing pistol caliber carbines, and some buyers feel the premium is steep for what amounts to a fun range gun. Reliability with a variety of 10mm loads is generally good, but picky feeding on lighter loads comes up occasionally in longer-term ownership reports.