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 Bowie knife. Blackie Collins designed the subsequent model 6020 and 6060 Survival knife in 1974–1979. All of these limited-production and custom knives were made at the Springfield, Mass., United States factory. In October 2002, Smith & Wesson announced it had entered into a licensing agreement with Cycle Source Group to produce a line of bicycles designed by and for law enforcement. These bicycles had custom configurations and silent hubs. Smith & Wesson flashlights are available to the general public. They are designed and produced by PowerTech, Inc, in Collierville, Tennessee. Smith & Wesson has a line of wood pellet grills