Smith & Wesson SW1911 run around 38 to 39 ounces (1,100 to 1,100 g), the PC 1911 is heavier, at approximately 41 ounces (1,200 g). Smith & Wesson SW1911 The SW1911 (Smith & Wesson) is a stainless steel framed, single action, semi-automatic pistol that is based on the M1911 .45 ACP, that comes in either 9×19mm or .45 ACP. In 2003, Smith & Wesson introduced their variation of the classic M1911 .45 ACP semi-automatic handgun, the SW1911. This firearm retains the M1911's well known dimensions, operation, and feel, while adding a variety of modern touches. Updates to the design include serration at the front
Smith & Wesson Model 10 models did use a checkered grip, most notably the pre-1942 manufacture. After World War II, Smith & Wesson returned to manufacturing the M&P series. Along with cosmetic changes and replacement of the frame fitting grip with the Magna stocks, the spring-loaded hammer block safety gave way to a cam-actuated hammer block that rode in a channel in the side plate (Smith 1968). In 1957, Smith & Wesson adopted the convention of using numeric designations to distinguish their various models of handguns, and the M&P was renamed the Model 10. The M&P/Model 10 has been available in both blued steel finish