The NAA Ranger II is a single-action mini revolver chambered in .22 LR with a .22 Magnum conversion cylinder included. It has a 4-inch fully ribbed barrel, polished stainless steel finish, rosewood boot grips, and a break-open cylinder for reloading. 
 

Key Specifications 

• SKU: 2024900943 
• UPC: 744253003332 
• Brand: NAA (North American Arms) 
• Model Name: Ranger II 
• Caliber: .22 LR / .22 Magnum 
• Action Type: Single Action Only (SAO) 
• Capacity: 5 rounds 
• Barrel Length: 4 inches 
• Overall Length: 7.5 inches 
• Weight: 8.1 oz 
• Sights: Bead front sight 
• Grip Material: Rosewood boot grips 
• Finish: Polished stainless steel 
   

Detailed Features 

 
The break-open cylinder hinges at the front to swing out for ejection and reloading, faster than the traditional NAA pin-pull system on smaller models. The conversion cylinder lets you switch between .22 LR and .22 WMR by swapping cylinders; you carry one cylinder loaded, the other as a spare. The 4-inch ribbed barrel is longer than most NAA revolvers, which improves velocity and gives a more usable sight radius with the bead front. The rosewood boot grips are decorative but also provide a slightly better hold than bare grip panels.

Owners pick the Ranger II for two main reasons: the break-open cylinder over the standard NAA pin-ejection system, and the dual-caliber capability via the included conversion cylinder. For a .22 revolver, those are genuine practical improvements.

The 4-inch barrel makes the Ranger II more of a range and field piece than an ultracompact backup. It's longer than the typical NAA mini revolver, which helps accuracy but makes it less pocketable. Accuracy with the bead front sight is good for the size class at close range, and the polished stainless finish holds up to regular handling.

The single-action trigger pull draws some criticism. It's heavier and less refined than center-fire revolvers, which affects accuracy in slow deliberate fire. .22 WMR from a short barrel is louder than expected for a small cartridge. The 5-round capacity is accepted as a tradeoff for the size. Most owners use it for trail carry, small game, or as a training revolver rather than a primary defensive gun.