The NAA22M is a 5-shot single-action mini-revolver chambered in .22 Magnum (.22 WMR). At 6.5 oz and 5.13 inches overall, it's one of the smallest centerfire-class revolvers on the market, and the stainless steel finish and rosewood grips give it a cleaner look than most pocket guns in this size range. 
 
Key Specifications 

• SKU: 1794000419 
• UPC: 744253000133 
• Brand: North American Arms 
• Model Name: 22M 
• Caliber: .22 Magnum (.22 WMR) 
• Class: Compact 
• Action: Single Action Only 
• Capacity: 5 rounds 
• Barrel Length: 1.625 inches 
• Overall Length: 5.13 inches 
• Weight: 6.5 oz. 
• Sights: Half Moon Sight 
• Grip Material: Rosewood 
• Trigger Type: Standard 
• Safety Mechanism: Hammer/Cylinder safety 
• Finish Color: Stainless Steel 
   
  The single-action mechanism means you cock the hammer before each shot, which slows down rapid fire but tends to encourage deliberate trigger pull. The half-moon front sight is simple but functional for close-range work. The hammer/cylinder safety lets you carry all five chambers loaded, addressing the traditional concern with single-action revolvers. 
   
  At 6.5 oz the gun is genuinely pocketable. It draws attention at the range for its novelty, and .22 WMR gives it a bit more punch than a standard .22 LR pocket pistol. The rosewood grips look good but the small frame means grip surface is limited, which some shooters find awkward for extended sessions. 
   
  The .22 WMR caliber prompts real debate about stopping power. Those who carry it typically treat it as a last-resort backup or deep-concealment option rather than a primary defensive arm. For small game hunting and plinking it works well within its range limitations.

Owners of the NAA .22 Magnum Mini Revolver tend to land in a few consistent camps.

The ultra-compact size is the most universally praised aspect. The stainless construction gets positive marks for durability and corrosion resistance, and owners generally report it feels solid in hand given the weight.

The .22 WMR caliber is genuinely divisive. Some users like the low recoil and inexpensive practice ammo; others question whether it provides adequate stopping power for self-defense compared to larger calibers. This argument comes up in almost every thread.

The single-action-only design and absence of a double-action option is a real limitation for some buyers. Accuracy opinions split between shooters who get surprisingly good groups at close range and those who find the short barrel too limiting.

Trigger pull reports vary widely, from smooth to stiff, possibly reflecting unit-to-unit variation. Most buyers find the price reasonable given the niche the gun fills. A sizable number of owners describe it primarily as a fun conversation piece at the range rather than a serious carry gun.