Smith & Wesson Model 648 — 22 WMR 6″ 8-Round Revolver

The Smith & Wesson Model 648 is a stainless-steel K-frame revolver chambered for the .22 Winchester Magnum cartridge. It pairs a 6-inch full-underlug barrel with an eight-round cylinder and DA/SA operation. The firearm is fitted with a Patridge front sight, adjustable rear sight, and black synthetic finger-groove grips for practical handling in target and small-game contexts.

Key Specifications

• Caliber is .22 Winchester Magnum for use with .22 WMR ammunition.
• Capacity is 8 rounds in the fixed-cylinder design.
• The barrel measures 6 inches and features a full underlug.
• Action type is Double / Single Action (DA/SA).
• Frame material is stainless steel with a stainless finish.
• Barrel and cylinder are finished in stainless steel.
• Overall length is 11.1 inches for a balanced sight radius and handling.
• Weight is approximately 46.2 oz as listed in manufacturer specifications.
• Sights are a Patridge front and adjustable rear for precision alignment.
• Grip is black synthetic finger-groove style for positive purchase.

Designed for informed shooters who value reliable, accurate performance, the Model 648 delivers a straightforward platform for target shooting and small-game pursuits. Its stainless construction and adjustable sights make it well suited to range use and instructional applications where durability and repeatable accuracy matter. The combination of an eight-round cylinder, full-lug 6" barrel and DA/SA operation provides a familiar, controllable revolver experience in a durable package.