75990000 Smith & Wesson New J frame Model 650/651 Firing Pin NOS .22 6 shot k10nj340n 5-Spring Kit: Multiple spring weights

5-Spring Kit: Multiple spring weights for precise trigger tuning

used for iconic models like the Model 10

Compatibility: Fits Smith & Wesson K Frame rimfire Models 17 and 18 ONLY

Frame: N Frame

Genuine Smith & Wesson factory bolt assembly (also called cylinder stop or cylinder bolt) for the K Frame Model 65 revolver

75990000 Smith & Wesson New J frame Model 650/651 Firing Pin NOS .22 6 shot k10nj340n 5-Spring Kit: Multiple spring weights75990000 Smith and Wesson J frame Model 650 651 NOS Firing Pin . 22 6 shot all barrel length 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 this is the case contact