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 M76 to the reorientation of the extractor and the Stemple receiver tubes have an inside diameter that is slightly larger than that of an original S&W M76, requiring two sleeves that act as bearing surfaces to be placed on the bolt to take up the extra space inside the receiver. During 2001 the Tactical Weapons Company of Arizona was engaged to manufacture the parts and receivers for a weapon that would be marketed as the Omega 760 carbine, a semiautomatic-only copy of the Smith & Wesson Model 76. Initial sales of the Omega 760 were brisk but quickly dropped off. The