The Kel-Tec CMR-30 is a semi-automatic carbine chambered in .22 WMR (Winchester Magnum Rimfire) with a 16-inch barrel and a 30-round capacity. At 3.8 lbs and 29.9 inches (adjustable), it's a lightweight option for small game hunting and recreational shooting. 
 

Key Specifications 

• Model: CMR-30 
• Caliber: .22 WMR (Winchester Magnum Rimfire) 
• Action Type: Semi-Automatic 
• Barrel Length: 16 inches 
• Overall Length: 29.9 inches (adjustable) 
• Weight: 3.8 lbs (60.8 ounces) 
• Capacity: 30 rounds 
• Manufacturer: Kel-Tec 
• Finish Color: Green 
   

Detailed Features 

The dual non-reciprocating operating handles are ambidextrous, so left- and right-handed shooters can operate the action without modification. MBUS sights front and rear provide fast target acquisition and fold out of the way when running optics. 
 
The collapsible stock adjusts overall length for different shooters or storage needs. The manual safety is straightforward. The .22 WMR caliber delivers more velocity and energy than .22 LR while remaining significantly cheaper to shoot than centerfire cartridges, which makes it practical for extended training sessions and small game hunting.

The Kel-Tec CMR-30 in green generates genuine enthusiasm from the .22 WMR community, balanced by some notable reliability criticisms.

On the positive side, the lightweight package, 30-round capacity, and .22 WMR's cost-effectiveness for practice make it a well-regarded plinking and training carbine. The futuristic styling appeals to shooters who want something that looks different, and the ammunition economy is a real practical advantage.

The primary criticisms focus on feeding and ejection reliability, particularly with certain .22 WMR ammunition types. Most owners find specific loads that run well and stick with them, but the trial-and-error required to identify compatible ammo is a documented friction point. Build quality concerns come up less frequently but are present, particularly from owners who run the rifle hard over time.

Ergonomics divide opinions — some shooters find the controls intuitive, others find them unintuitive or awkward, particularly the stock adjustments. Aftermarket support is more limited than for major-brand platforms, which affects long-term modifiability. Overall it earns its audience as an affordable, lightweight .22 WMR carbine with personality, with the caveat that ammo compatibility testing is part of the ownership experience.