When the first all-steel small frame (J) revolver was introduced in 1950, it became an instant success. Originally named the Chiefs Special by the International Association of Chiefs of Police, it has become the first choice for those who insist on an all steel, small frame revolver with greater recoil control and proven performance. The Smith & Wesson J-Frame has become the most popular small frame personal defense revolver on the market.
These small revolvers were designed to fire a full power round and are as simple and easy to use as they are reliable. Available in various calibers and with three diverse hammer designs, it is no surprise that the Smith & Wesson J-Frame has become the most popular, small-frame, defense revolver on the market. The Model 640, is a variation of the Model 40 Centennial that integrates the time-tested features of the original with modern advancements. The Model 640 is a small-frame, concealed-hammer revolver that packs a full-sized punch.