Smith & Wesson Model 57 Smith & Wesson Model 57 The Smith & Wesson Model 57 is a large frame, double-action revolver with a six round cylinder, chambered for the .41 Magnum cartridge, and designed and manufactured by the Smith & Wesson firearms company. The gun was designed as a weapon for law enforcement agencies. However, due to size and recoil it found more favor with civilian target shooters and hunters. In the early 1960s, Elmer Keith, Bill Jordan, and Skeeter Skelton, all noted firearms authorities and authors, lobbied Remington Arms and Smith & Wesson to introduce a new .41 caliber police cartridge with the
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