K20 Smith & Wesson K Frame Model 12 4" Barrel Blue Used 38 Special Airweight other Smith & Wesson OEM Rear

Smith & Wesson OEM Rear Sight Assembly -

which includes the Model 638 (shrouded hammer Bodyguard)

GT0001 Rubber Grip Gun Smith Tool Interchangeable Heads

new style) Model 67 -

K20 Smith & Wesson K Frame Model 12 4" Barrel Blue Used 38 Special Airweight other Smith & Wesson OEM RearK20 Smith & Wesson K Frame Model 12 4" Barrel Blue Used 38 Special Airweight 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 with the serial # . If