The Kriss Vector CRB Duo is a semi-automatic rifle in .22 LR with a blowback action, a 16-inch barrel, and an FDE/Black matte finish. It ships with two 30-round magazines. 
 

Key Specifications 

• Model: Vector CRB Duo 
• Action Type: Semi-Automatic (Blow Back) 
• Caliber: .22 LR 
• Barrel Length: 16 inches 
• Overall Length: 34.5 to 37.7 inches (adjustable) 
• Capacity: 30+1 rounds (two magazines included) 
• Weight: 7.4 lbs. 
• Finish: FDE/Black (Matte Black & Flat Dark Earth) 
• Frame Material: Polymer 
   

Features 

 
The ambidextrous folding stock adjusts the overall length between 34.5 and 37.7 inches and works equally well for left- or right-handed shooters. The direct blowback action cycles reliably with standard .22 LR and keeps recoil low. Low-profile flip sights sit flush when not in use. The aluminum M-LOK handguard accepts lights, grips, or other accessories without adding significant weight. The pivoting single-stage trigger is designed for a shorter reset. 
 
At 7.4 lbs. the Vector is heavier than most .22 LR carbines. The polymer frame holds up, though the weight is worth noting for extended range sessions.

The Vector CRB Duo draws a consistent crowd of buyers who want the distinctive CRB look in a cheaper-to-shoot caliber. The .22 LR chambering keeps range costs down, and the 30-round capacity means fewer mag changes during a session. Most owners enjoy the folding stock and M-LOK handguard as practical features.

The rifle's semi-auto reliability with bulk .22 LR gets generally positive feedback, though a few users note it's more sensitive to low-power or budget ammunition than a simple blowback like a Ruger 10/22.

The main criticisms are price and weight. At 7.4 lbs. it's heavier than competing .22 carbines, and the MSRP is higher than many alternatives. Aftermarket support specific to the Vector is more limited than for other .22 platforms, and some users find the ergonomics less intuitive than a traditional rifle layout during longer shooting sessions.