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 $0.25 on every revolver that they made. It would become White's responsibility to defend his patent in any court cases which eventually led to his financial ruin, but was very advantageous for the new Smith & Wesson Company. Smith & Wesson's revolvers came into popular demand with the outbreak of the American Civil War as soldiers from all ranks on both sides of the conflict made private purchases of the revolvers for self-defense. The orders for the Smith & Wesson Model 1 revolver outpaced the factory's production capabilities. In 1860 demand was so great that Smith & Wesson expanded into