The NAA Ranger II is a single-action .22 WMR revolver in North American Arms' mini-revolver format. The break-open cylinder with star ejector makes reloading faster than traditional fixed-cylinder designs, and at 8.10 oz with a 4-inch barrel it's genuinely pocketable. 
 

Key Specifications 

• Model: Ranger II 
• Caliber: .22 WMR 
• Action: Single Action Only (SAO) 
• Barrel Length: 4 inches 
• Capacity: 5 rounds 
• Weight: 0.5 lbs (8.10 oz) 
• Overall Length: 7.5 inches 
• Sights: Bead Front 
• Grip Material: Rosewood Boot 
• Finish: Stainless Steel (Barrel & Cylinder) 
   

Detailed Features 

1. Compact Design: At half a pound, this is one of the lightest carry options available in any caliber. 
2. Break Open Cylinder: Swings open for quick loading and uses a star ejector to clear spent cases efficiently. 
3. Bead Front Sights: Fixed bead front provides good visibility across lighting conditions. 
4. Rosewood Boot Grip: Comfortable for the platform and visually appealing. 
5. Stainless Steel Construction: Both barrel and cylinder are stainless, resisting corrosion over long-term use. 
    

Usage Scenarios 

• Concealed Carry: At 8.10 oz and 7.5 inches overall, it fits in a pocket or ankle holster without bulk. 
• Target Practice: The .22 WMR delivers manageable recoil with enough punch for plinking and target work. 
• Small Game Hunting: A quiet, accurate option for close-range small game where discretion matters.

The NAA Ranger II in .22 WMR with the 4-inch barrel and rosewood grip draws its audience from shooters who want the smallest possible carry option or a reliable backup. The stainless finish gets consistent praise for durability and corrosion resistance. The rosewood grip is appreciated for adding a visual quality that small revolvers don't always have. Most owners find the break-open cylinder a genuine functional improvement over fixed designs.

The .22 WMR cartridge is accessible for most experience levels, which broadens its appeal. As a range piece it's enjoyable, and for small game hunting its handling and accuracy at close ranges work well.

Critical feedback is honest: the .22 WMR is a limited defensive caliber, and shooters relying on it for self-defense understand they're accepting that tradeoff for compactness. Revolver capacity at 5 rounds comes up against semi-autos with more rounds. Some reviewers find the trigger pull heavy or stiff, which can affect accuracy for less experienced shooters.

The overall tone is that the Ranger II serves a specific purpose well, ultra-compact carry or backup, and most of the criticism comes from using it against a standard it was never designed to meet.