The North American Arms Mini Revolver is a single-action revolver chambered in .22 WMR with a 1.125-inch barrel and 5-round capacity. It's built from stainless steel with red/black wood grips, and at 4.6 oz unloaded it's about as light as a loaded defensive firearm gets. 
 

Key Specifications 

• Model: Mini Revolver 
• Caliber: .22 WMR (22 Magnum) 
• Barrel Length: 1.125 inches 
• Capacity: 5 rounds 
• Weight: 4.6 oz (unloaded) 
• Action Type: Single Action Revolver 
• Finish: Stainless Steel with Red/Black Wood Grips 
• Sights: Fixed (half-moon front) 
   

Features 

 
The stainless construction handles carry wear and weather without special maintenance. Single-action operation keeps the mechanism simple — the hammer must be manually cocked before each shot, which is straightforward once you're familiar with it. Fixed sights are appropriate for the barrel length and intended range. 
 
At just over 5 inches overall, the Mini Revolver fits pocket carry or as a backup. The .22 WMR cartridge gives it more energy than .22 LR at the cost of slightly more recoil from such a light platform. 
 
Realistic use cases are close-range self-defense backup, trail carry as a last resort against small threats, and casual plinking. It's not a high-capacity defensive pistol — the 5-round cylinder and single-action requirement are deliberate trade-offs for the size.

The NAA Mini Revolver in .22 WMR draws a specific kind of owner — someone who wants the smallest possible carry option and understands what they're giving up for it. Most of the discussion reflects that informed trade-off.

The black/red grip combination gets positive attention for aesthetics. Reliability and build quality are generally praised; NAA has been making these for decades and the stainless construction holds up well. Owners who use it as a pocket backup or trail gun tend to be satisfied with its purpose.

The five-round capacity is noted more as a characteristic than a complaint — buyers know what they're buying. Recoil management does come up as a real consideration given how light the revolver is; .22 WMR is snappier than expected in a 4.6 oz package. Accuracy at short range is considered adequate for defensive distances, and some users find it surprisingly effective for small game. The consensus is that the Mini Revolver is exactly what it advertises: a very small, very light single-action revolver that fits where nothing else will.