Product Overview
J-FRAME Series PERFORMANCE CENTER® MODEL 640 BLACK. In 1995, Smith & Wesson introduced the Model 640, the first J frame revolver chambered in the powerful .357 Magnum round. The Model 640 is a small frame concealed hammer revolver that packs a full-sized punch. The Model 640 integrates the time-tested features of the original with modern advancements and competition specifications and features.
