37184Z Smith & Wesson J Model 37 (Airweight) Trigger .24" Wide .38 Special .45 compact 40 S&W Barrel Length 5

40 S&W Barrel Length 5 Inches Frame Compatibility Full-Size Frames only Generation M2

inspected and functional — a direct-fit replacement for 640-3 and all higher dash variants

Finish: Natural rosewood with protective coating

This is the old-style design — a genuine OEM used replacement part in good working condition

37184Z Smith & Wesson J Model 37 (Airweight) Trigger .24" Wide .38 Special .45 compact 40 S&W Barrel Length 537184Z Smith & Wesson Revolver J Model 37 (Airweight) . 24" Trigger . 38 Special Old Style Used Part 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