The North American Arms Pug is a single-action mini-revolver chambered in .22 LR / .22 WMR, built for concealed carry or backup use. It weighs 6.4 oz and measures 4.5 inches overall with a 1-inch heavy barrel - small enough to disappear in a pocket. 
 

Key Specifications 

• Model: Pug 
• Type: Revolver 
• Action: Single Action 
• Caliber: .22 LR | .22 WMR 
• Finish: Stainless Steel 
• Frame: Steel Frame 
• Stock/Grips: Black Rubber Pebble Texture 
• Barrel Length: 1 inch (Heavy Barrel) 
• Overall Length: 4.5 inches 
• Capacity: 5 rounds 
• Sights: White Dot Sight (Fixed Sights) 
• Weight: 6.4 oz. 
• Additional Features: 
  • Convertible Cylinder 
  • Ported Barrel 
     

Detailed Features 

The stainless steel construction resists corrosion, which matters for a firearm that spends time in a pocket or against a body in humid conditions. The convertible cylinder lets you swap between .22 LR and .22 WMR without tools, giving flexibility on ammunition depending on availability or intended use. The ported 1-inch heavy barrel reduces muzzle rise on a platform that would otherwise be difficult to control. Fixed white dot sights are fast to acquire at short range. The pebble-texture rubber grips help with retention on a small frame. 
 

Usage 

The Pug is a short-range defensive tool or a last-resort backup - not a primary carry gun for most people. At 6.4 oz it's light enough for ankle or pocket carry all day. The single-action mechanism requires manually cocking the hammer for each shot, which is deliberate and keeps the design simple and reliable.

Opinions on the NAA Pug in .22LR/.22WMR tend to cluster around a handful of real topics.

The ultra-compact size is the top reason people buy it. Owners appreciate being able to carry it in a pocket or small purse without any printing or discomfort. For a dedicated backup or deep-concealment role, the form factor is hard to beat.

Simplicity and reliability come up often. The single-action revolver mechanism has few moving parts and owners generally find it dependable. The common comparison to semi-automatics is that it won't fail to feed or eject.

The dual caliber capability is a frequent discussion point. Some owners value the .22 LR / .22 WMR flexibility; others raise legitimate concerns about .22 LR stopping power in a defensive scenario.

Accuracy feedback is mixed. Some shooters find the Pug surprisingly accurate at close range; others find the 1-inch barrel limiting beyond about 7 yards, which is expected given the geometry.

Grip ergonomics draw complaints from larger-handed shooters who find it uncomfortable in longer sessions, though most acknowledge this is the unavoidable tradeoff for the size.

The stainless construction gets consistent praise for durability and corrosion resistance. Owners describe it as feeling solid relative to its weight.

Most owners use it as a backup or secondary firearm and price is generally considered fair for the build quality.