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 4506 Smith & Wesson Model 4516: Compact version with a 3 " barrel on a smaller frame accepting 7 round single column magazines. Smith & Wesson Model 4546: Double-action-only version of the 4506 with a rounded, stubby hammer. Only produced in 1992. Smith & Wesson Model 4563: Midsize version with a 4" barrel on a full-size alloy frame. Smith & Wesson Model 4566: Midsize version with a 4" barrel on a full-size steel frame, the 4566 was formerly the issued sidearm of the New Hampshire State Police. Current issue (June 2015) with West Virginia State Police, in DAO (Double-Action-Only; TSW version),