J120 Smith and Wesson J Frame Model 43 .240" Grooved Trigger Used 22LR k29n N Frame all models with

N Frame all models with adjustable sights

accurate sight adjustments

Contains one of each: Hand

Color Scheme: Tan and brown vintage design

✓ Compatible with multiple K Frame models

J120 Smith and Wesson J Frame Model 43 .240" Grooved Trigger Used 22LR k29n N Frame all models withJ120 Smith and Wesson J Frame Model 43 . 240" Grooved Trigger Used 22LR 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