Smith & Wesson "N" to the largest .44 Magnum type frame. In 2003, the even larger "X" frame was introduced for the .500 S&W Magnum. Most Smith & Wesson revolvers have been equipped with an internal locking mechanism since the acquisition by Saf-T-Hammer. The mechanism is relatively unobtrusive, is activated with a special key, and renders the firearm inoperable. While the lock can simply be left disengaged, most gun enthusiasts prefer "pre-lock" guns. In 1953 the U.S. Army was looking for a pistol to replace the Colt 1911A1. To obtain a bid from the U.S. Government, Smith & Wesson began working on a
Smith & Wesson Bodyguard Smith & Wesson Bodyguard The Smith & Wesson Bodyguard is a family of small J-frame revolvers with shrouded hammers manufactured by Smith & Wesson. They are available chambered in either .38 Special or .357 Magnum. The Model 38 is aluminum-framed, has a carbon steel barrel, a carbon steel cylinder with a five-round capacity, and is chambered in .38 Special. The Model 49 is an all-carbon-steel-framed revolver chambered in .38 Special. The Model 638 is aluminum-framed with stainless steel cylinder and barrel. Chambered in .38 Special. The Model 649 is an all stainless-steel framed revolver. Chambered in .357 Magnum or .38