K188 Smith and Wesson K Frame Model 13 Thumbpiece Blue Used 357Mag model 442 Genuine Smith & Wesson factory

Genuine Smith & Wesson factory barrel for the J Frame Model 37 Airweight revolver

Finish: Blued (matte black)

As part of complete firing mechanism rebuild

revolver enthusiast

Installation: Disassembly and reassembly required

K188 Smith and Wesson K Frame Model 13 Thumbpiece Blue Used 357Mag model 442 Genuine Smith & Wesson factoryPart# K188 Smith and Wesson K Frame Model 13 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