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 M&P10 (Compliant), and the M&P10 CAMO. All are chambered in .308 Winchester. Smith & Wesson M&P10 The Smith & Wesson M&P10 is Smith & Wesson's modified version of the AR-10 rifle. The M&P10 series of rifles is based on the AR-10. Smith & Wesson offers the M&P10 semi-automatic rifles in a variety of configurations tailored to specific shooting applications and styles. The standard model has a six-position collapsible stock, 4140 steel barrel, 7075 T6 aluminum receiver and a hard-coat black anodized finish. In 2013, the M&P10 line was expanded to include the .308 Winchester calibre. Unveiled at 2013 SHOT Show, the