The Kel-Tec CMR-30 is a semi-automatic carbine chambered in .22 WMR with a 16.1-inch barrel. Capacity is 30+1 rounds. Weight is 4.2 lbs unloaded. The stock is collapsible, reducing overall length to 22.5 inches when folded. The finish is matte black. Magpul flip-up sights are installed. Controls are ambidextrous. The rifle accepts 30-round magazines that also fit the Kel-Tec PMR-30 pistol. 
 

Key Specifications 

• Model: CMR-30 
• Caliber: .22 WMR 
• Action: Semi-Automatic 
• Capacity: 30 rounds + 1 
• Barrel Length: 16.1 inches 
• Weight: 4.2 lbs (unloaded) 
• Finish: Matte Black 
   

Features 

 
The 16.1-inch barrel extracts more velocity from the .22 WMR than the shorter PMR-30 pistol, extending the cartridge's effective range. The collapsible stock brings overall length down to 22.5 inches for storage and transport. Magpul flip-up sights fold flat when an optic is mounted -- the top rail accepts standard optics. Ambidextrous safety and magazine release work from either side without modification. The magazine compatibility with the PMR-30 is useful for shooters who run both platforms. 
 

Usage 

 
The CMR-30 works well for small game, varmint control, and plinking with higher-velocity performance than .22 LR. At 4.2 lbs it carries easily in the field. The 30-round magazine capacity makes it practical for varmint shooting where multiple follow-up shots are typical. The .22 WMR is not a centerfire cartridge -- recoil is light and ammunition is affordable relative to most rifle calibers, though it costs more than .22 LR.

The CMR-30 attracts buyers who want a lightweight .22 WMR carbine with a high-capacity magazine. The portability and the magazine capacity are the most frequently cited positives. Shooters who run the PMR-30 pistol appreciate sharing magazines between platforms.

Reliability is the main concern in discussions. Most owners report solid performance, but a meaningful portion have experienced feeding issues -- typically tied to ammunition brand or variety. The rifle can be sensitive to certain loads, and users recommend testing different ammunition before relying on it. This is a recurring enough issue that new buyers should be aware of it.

The matte black finish draws divided opinions on aesthetics but is practical. At the price point, most buyers consider it fair value for a niche .22 WMR carbine. Customization interest is high -- optics and lighting attachments are common additions.