The NAA Ranger II is a single-action mini-revolver in .22 LR with a 1.63-inch barrel and a 5-round cylinder. It has a stainless steel finish and rosewood birdshead grips. The folding-cylinder design allows the hammer to rest in the loading notch with the cylinder folded, making pocket carry safer than a traditional fixed frame would allow. 
 

Key Specifications 

• Model: Ranger II 
• Caliber: .22 LR / .22 Magnum Conversion 
• Action: Single Action (SAO) 
• Barrel Length: 1.63 inches 
• Overall Length: 5.16 inches 
• Weight: 0.4 lbs (approximately) 
• Capacity: 5 rounds 
• Sights: Bead Front Sight 
• Grip Material: Rosewood Birdshead  
• Finish: Stainless Steel 
   

Detailed Features 

The Ranger II's single-action mechanism requires cocking the hammer for each shot. At 0.4 lbs and 5.16 inches overall, it is one of the smallest commercially available revolvers. The birdshead grip profile is well suited to the small frame and gives a secure hold despite the compact size. 
 
The bead front sight is functional for very close distances, which are the realistic use cases for a revolver this small. The .22 Magnum conversion option means the owner can swap cylinders (sold separately), and run .22 WMR as well. 
 

Target Audience 

Primarily suited to experienced shooters who want a deep-backup or pocket carry option where size and weight are the primary constraints. Also appeals to collectors of North American Arms mini-revolvers. 
 

Usage Scenarios 

1. Backup Carry: Extremely small and light for a metallic-cartridge firearm; fits in a pocket or ankle rig with minimal bulk. 
2. Range Shooting: .22 LR is inexpensive to run through it during practice. 
3. Hiking: Compact trail backup for pest deterrence at very short range.

The NAA Ranger II .22LR Mini-Revolver draws consistent positive comments on its compact dimensions and stainless plus rosewood aesthetics, with honest discussion of its caliber limitations.

Owners frequently note the build quality, stainless steel and rosewood are above average for a firearm this small. The 5-round single-action operation is simple and reliable. The folding-cylinder design gets specific praise for making pocket carry practical.

The main honest caveat in most discussions is the .22 LR caliber itself: users acknowledge it is marginal for defensive applications and position the Ranger II as a last-resort backup or fun plinking gun rather than a primary defense tool. Low recoil is seen as an upside for casual range use. Overall sentiment is positive when buyers go in with realistic expectations about a 1.63-inch-barrel mini-revolver.