K187 Smith and Wesson K Frame Model 12 Thumbpiece Blue Used 38Spl Performance Center Complete assembly with hammer and

Complete assembly with hammer and stirrup included

ensuring reliable ignition with every trigger pull

357 Magnum (also accepts

We sell used

K187 Smith and Wesson K Frame Model 12 Thumbpiece Blue Used 38Spl Performance Center Complete assembly with hammer andPart# K187 Smith and Wesson K Frame Model 12 Thumbpiece Blue Used 38Spl Revolver Pistol Gun Part. Please call or email with any questions! How to determine the model number of your Smith & Wesson Revolver. Swing out the cylinder , check behind the yoke on the frame for a MODEL NUMBER. Model numbers began in 1957 58. So if there is no model number then your revolver may be older than 1957 58. In this case we can possibly still find the part you need