The Colt Viper is a single/double action revolver chambered in .357 Magnum and also accepting .38 Special. It has a 3-inch barrel and a 6-round cylinder. The finish is polished stainless steel with walnut grips. Sights are a black ramp front and U-notch rear. 
 

Key Specifications 

• Model: Colt Viper 
• Caliber: .357 Magnum / .38 Special 
• Action Type: Single/Double Action 
• Capacity: 6 Rounds 
• Barrel Length: 3 inches 
• Finish: Polished Stainless Steel with Walnut Grips 
• Sights: Front - Black Ramp; Rear - U-Notch 
   
  The 3-inch barrel sits between snub-nose and full-length options, keeping the gun compact without sacrificing as much velocity as a 2-inch barrel would. The polished stainless finish resists corrosion better than blued carbon steel. The walnut grips fill the hand well and provide a secure hold on the .357 Mag recoil. The double/single action setup means you can fire in double action for faster follow-up shots or in single action for a lighter, more precise pull.

The Viper draws interest for its combination of polished stainless finish, walnut grips, and Colt's historical connection to the snake gun line. Build quality is consistent with Colt's established reputation, and the trigger pull in both double and single action modes is smooth.

Accuracy is solid for a 3-inch barrel, and the double/single action mechanism is valued for its flexibility across different shooting scenarios. The .357 Mag recoil is manageable for most shooters using proper technique, though a few note it can be snappy with full-power loads in a compact frame. At 3 inches, it balances portability with practical performance. Price is a recurring conversation; Colt commands a premium, and some buyers compare the Viper against competing revolvers at lower price points. Collectors view it as more than a working gun, and that dual purpose as both shooter and collectible appears in many discussions.