The Charter Arms Double Dog is a combo revolver designed for range use and general-purpose defensive and recreational shooting. Its dual-cylinder configuration allows shooters to use .357 Magnum, .38 Special, and 9mm options where applicable, making it a flexible choice for shooters who want multi-caliber capability.

The Double Dog pairs a 4.2-inch barrel with fixed sights and a classic walnut grip profile to deliver a familiar feel at the bench or the range. The firearm uses a double/single-action trigger system with a transfer bar safety and a standard hammer, providing straightforward operation and basic passive safety features.

Key Specifications

The chamberings include .357 Magnum, .38 Special, and 9mm as indicated in the provided product information.
The barrel length is 4.2 inches, providing a balance between sight radius and handling.
The capacity is 5 rounds in the supplied cylinder.
The reported weight is 24 oz..
The frame and components are described with a black passivate finish on a stainless steel frame.
The grips are walnut (Backpacker/standard walnut) for a traditional appearance and feel.
The action is double/single-action with a standard hammer configuration.
The revolver includes a transfer bar safety for drop protection.
The package includes two cylinders to allow caliber changes between 9mm and the Magnum/.38 options.
The sights are fixed for a simple, durable sighting setup.

Find the Charter Arms Double Dog .357 Magnum / 9mm revolver for sale as a multi-caliber option that combines classic walnut ergonomics with straightforward, serviceable mechanics. Consider this model when you need a flexible, easy-to-maintain revolver that supports multiple ammunition choices and conversion capability.