SMITH & WESSON .38 MILITARY AND POLICE AIRWEIGHT “PRE-MODEL 12” Description
.38 S&W Special cal., double action revolver built on the round or square butt KA 5 screw aluminum alloy service frame, similar to the Model 10 but made with an alloy frame and originally an alloy cylinder, which was later changed to steel due to problems with cylinders cracking, numbered with the Model 10, 11, 45, and Aircrewman revolvers with a C serial prefix in production. Alloy frame is slightly thinner than a standard K frame by .080 in. and has a smooth backstrap and forestrap. Mfg. 1951-1957, then continued as the Model 12.