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 production equipment and instituted additional testing which significantly increased product quality. However new gun sales in the United States lagged in the 1990s, some of which was attributed to the Federal Assault Weapons Ban of 1994. Also there were numerous city and state lawsuits against Smith and Wesson. After the success of the Tobacco Master Settlement Agreement, municipalities thought they might be able to succeed through tort law against the gun industry as well. These political and legal challenges provided a lot of risk and uncertainty for Smith and Wesson's future. On March 17, 2000, Smith & Wesson made an