The NAA Mini Revolver is a single-action .22 WMR revolver with a 1.13-inch barrel, 4.63-inch overall length, 6.20 oz (0.4 lb) weight, and 5-round cylinder. The barrel and cylinder are stainless steel. The grip is black polymer with Viridian rubber laser grips installed. Sights are half-moon style. 
 

Key Specifications 

• Brand: NAA 
• Model Name: Mini Revolver 
• Caliber: .22 WMR 
• Action: Single Action Only (SAO) 
• Capacity: 5 rounds 
• Barrel Length: 1.13 inches 
• Overall Length: 4.63 inches 
• Weight: 0.4 lbs (6.20 oz) 
• Sights: Half Moon Sight 
• Grip Material: Black Polymer with Viridian Rubber Laser Grip 
• Finish: Stainless Steel 
   

Detailed Features 

At 4.63 inches overall, this is a genuine pocket revolver. The single-action mechanism requires manually cocking the hammer before each shot. The stainless steel construction handles carry and storage conditions without special maintenance. The Viridian laser grips improve point-of-aim at close range in low light without adding bulk.

NAA Mini .22 WMR owners with the Viridian Laser Grip share a straightforward mix of comments.

The compact size and 6.20 oz weight are the main draws. Owners use it primarily as a backup or deep concealment option where a larger pistol won't fit. Stainless construction gets consistent positive marks for durability.

The Viridian laser grips are a notable upgrade — owners appreciate the close-range aiming aid, especially in low-light situations.

The .22 WMR caliber produces manageable recoil and a fun range experience, though the caliber's suitability for self-defense generates ongoing debate. Most owners treat it as a backup to a primary defensive arm.

Limitations are clear and largely expected: 5-round capacity, a heavier than average single-action trigger pull, and half-moon iron sights that are less effective beyond close range. Some owners find the trigger feel affects follow-up shot accuracy. The .22 WMR cartridge's stopping power relative to centerfire defensive calibers remains a common point of discussion.