The NAA MiniRevolver (NAA22MSP) is a single-action .22 WMR revolver with a stainless steel frame and rosewood birdshead grip. It holds 5 rounds, measures 4.63 inches overall, and weighs 0.4 lbs (6.2 oz), with a 1.13-inch barrel. 
 

Key Specifications 

• SKU: 1794001465 
• Brand: NAA (North American Arms) 
• Model Name: MiniRevolver 
• MPN: NAA22MSP 
• Caliber: .22 WMR (Winchester Magnum Rimfire) 
• Action Type: Single Action Only (SAO) 
• Capacity: 5 rounds 
• Barrel Length: 1.13 inches 
• Overall Length: 4.63 inches 
• Weight: 0.4 lbs (6.2 oz) 
• Sights: Bead Front 
• Grip Material: Rosewood Birdshead 
• Trigger Type: Standard 
• Finish Color/Material: Stainless Steel 
• Condition: New in Box 
   

Detailed Features 

The .22 WMR provides more velocity and energy than .22 LR from a short barrel -- relevant for a gun this small where barrel length already limits performance. The stainless steel frame is corrosion-resistant without requiring bluing maintenance. 
 
The rosewood birdshead grip offers slightly better purchase than flat grip panels on such a small gun. The SAO trigger is consistent and requires manual hammer cocking before each shot. The bead front sight is simple and quick for close-range use. 
 

Target Audience 

People who need the smallest possible carry option -- a backup gun for those who already carry a primary firearm, a discreet pocket carry for people who don't normally carry, or a lightweight trail companion. 
 

Usage Scenarios 

• Deep concealment daily carry where a larger gun isn't practical. 
• Backup gun in an ankle or pocket holster. 
• Trail use on hikes or camping trips where minimal weight matters.

The NAA MiniRevolver in .22 WMR draws consistent appreciation for its size, build quality, and the .22 WMR caliber choice. Owners who want the smallest concealable handgun available tend to be satisfied -- at 4.63 inches and 6.2 oz, it genuinely goes where other guns can't.

The stainless construction and rosewood grip are seen as quality touches for a pocket-sized gun, and the corrosion resistance matters for a gun that may spend time in a pocket or waistband.

Criticism centers on the expected limitations of such a small platform: 5-round capacity, short sight radius that limits accuracy beyond close range, and the .22 WMR snappiness that some owners find more pronounced than expected in a 6 oz gun. The price is occasionally noted as higher than expected relative to what you get in terms of capacity and features.

Overall, owners who buy it knowing what it is -- a very small, very light, last-resort or deep-concealment piece in .22 WMR -- rate it well.