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 Model 2 Smith & Wesson Model 2 The Smith & Wesson Model 2, also referred to as the Smith & Wesson .38 Single Action, was Smith & Wesson's first .38 caliber revolver. Chambered in .38 S&W, its cylinder held 5 shots. The single action version was produced in three varieties from 1876 through 1911, with total production exceeding 223,000. The Smith & Wesson Model 2 was a "top-break", with the barrel release catch located on the top of the frame, just in front of the hammer. It was a larger caliber version of the third model of the Smith & Wesson Model