The Charter Arms Mag Pug is a compact .357 Magnum revolver built for personal defense and everyday carry. At 1.3 lbs with a 3-inch barrel, it packs meaningful caliber into a frame that's easy to conceal. 
 

Key Specifications 

• Brand: Charter Arms 
• Model: Mag Pug 
• Caliber: .357 Magnum 
• Action: Single/Double Action 
• Barrel Length: 3 inches 
• Capacity: 5 rounds 
• Weight: 1.3 lbs (21 oz) 
• Finish: Black Passivate 
• Sights: Fixed Front; Micro Optic Red Dot Included 
• Frame Material: Steel 
   

Features 

The DA/SA trigger gives shooters the option of a longer double-action pull for the first shot or a lighter single-action pull when deliberate accuracy matters. The steel frame in black passivate finish is durable and keeps the profile clean. 
 
The included micro optic red dot is a practical addition at this barrel length, where iron sights can be harder to align quickly under pressure. Fixed front sight is still there as a backup. The 3-inch barrel and 5-round cylinder are standard carry-revolver compromises — enough capacity and barrel length to be effective, short enough to conceal without printing. The .357 Magnum chambering also accepts .38 Special, so practice ammo is cheaper and more widely available.

User feedback on the Charter Arms Mag Pug .357 3" Red Dot Revolver is broadly positive with some consistent complaints worth knowing.

The compact size and light weight come up in nearly every positive review — shooters who carry daily appreciate that the 21 oz frame doesn't add much to the belt. The .357 Magnum chambering draws confidence from self-defense users, and the ability to run .38 Special for practice is a practical bonus that lowers training costs. The included red dot sight gets good marks for helping with target acquisition, particularly for shooters who find traditional iron sights harder to pick up quickly.

On the critical side, recoil is a real topic. Full-power .357 loads in a 21 oz revolver are snappy, and shooters who aren't prepared for it tend to mention it. Build quality feedback is split: many owners report solid reliability over time, but a subset raises concerns about consistency — sometimes linked to specific ammo brands, sometimes to fit and finish. Grip comfort gets mixed reviews too; some shooters find it fine for defensive carry, others wish Charter Arms had made the grip geometry a bit more generous for extended sessions.

Price is consistently viewed as a strength. Charter Arms sits below many comparable-caliber revolvers, and most buyers feel the value holds up for a carry gun.