The Rock Island Armory AL22 is a .22 WMR double-action/single-action revolver with an 8-round cylinder, 4-inch barrel, and stainless steel construction. At 3.2 lbs it is light enough for extended range sessions or as a pack gun. 
 

Key Specifications 

• UPC: 812285026329 
• Caliber: .22 WMR 
• Action: Single/Double Action 
• Capacity: 8 Rounds 
• Barrel Length: 4" 
• Weight: 3.2 lbs. 
• Finish: Stainless Steel 
   

Detailed Features 

The stainless steel frame resists corrosion and holds up to regular range use. The DA/SA mechanism lets shooters work the trigger in either mode depending on preference or situation. Finger-grooved black rubber grips provide a stable hold during repeated shots. The fixed ramp front sight pairs with an adjustable rear, so zeroing for different ammunition loads is straightforward without tools beyond a small screwdriver.

Owners of the Rock Island AL22 tend to be positive about it, with a few consistent trade-offs that keep it from being a universal recommendation.

The lightweight stainless build gets mentioned often as a selling point -- at 3.2 lbs it is comfortable to shoot for long sessions, and the stainless finish holds up well. The 8-round .22 WMR cylinder is appreciated for plinking and small game use, and most shooters find the DA/SA action usable if not exceptionally refined. The price point earns praise given what you get.

The main complaints center on trigger pull. Double-action pull weight runs heavier than some shooters expect, which affects accuracy at distance, especially for newer shooters. A few reviews also note that it is hard to match precision to higher-end revolvers at the same price, though most consider that an honest comparison for an entry-level gun. Overall it is regarded as a solid, affordable option in the .22 WMR revolver category.