The North American Arms Mini-Revolver is a single-action .22 WMR revolver with a 1.625-inch barrel and a 5-round cylinder. Finish is stainless steel throughout. Manufacturer part number NAA-22M-GP-B. 
 

Key Specifications 

• Model: Mini-Revolver 
• Type: Revolver 
• Caliber: 22 WMR (Magnum) 
• Barrel Length: 1.625 inches 
• Capacity: 5 rounds 
• Finish: Stainless Steel 
• Condition: New in Box 
• Manufacturer: North American Arms 
• Manufacturer Part Number: NAA-22M-GP-B 
   

Detailed Features 

At 1.625 inches of barrel, this is a genuinely pocket-sized revolver. Fixed sights keep the design snag-free. The single-action mechanism requires manually cocking the hammer before each shot — straightforward, but something to understand before buying. The half-cock safety notch on the cylinder is the primary safety feature. There are no levers or buttons to manipulate in a hurry, which is either an advantage or a limitation depending on your training. 
 

Usage Scenarios 

This revolver is a realistic choice for deep concealment as a backup or last-resort defensive firearm — not as a primary carry gun. It disappears in a pocket or small bag. It also sees use in light range sessions and as a collectible. Users should factor in the .22 WMR's modest terminal performance and practice regularly given the short barrel and small grip.

Owners of the NAA Mini-Revolver in .22 WMR generally report satisfaction with it in the role it is actually designed for: a deep-concealment backup or pocket carry option.

The most consistent praise is for the size and weight. It genuinely disappears in a pocket or waistband, which is the whole point. Build quality draws positive comments — the stainless construction is solid and the finish holds up well. Reliability is another recurring positive: single-action revolvers with five rounds have very little to go wrong mechanically.

Calibration debates dominate the critical side of discussions. The .22 WMR out of a 1.625-inch barrel does not deliver the same terminal energy as larger defensive calibers, and many owners are clear-eyed about this. It is a last-resort tool, not a primary defensive firearm. The grip is small enough that users who have not practiced with it under stress may struggle to run it accurately. Several discussions recommend consistent dry-fire and live-fire practice to compensate.

Price-to-value opinions are mixed. Some owners consider it fair for the niche it fills. Others point out that similarly-priced alternatives can offer more practical defensive capability.

The consensus is that it works well for its intended purpose — deep concealment and backup carry — provided the owner understands its limitations and trains accordingly.