J343 Smith & Wesson Used J Frame Model 640 .357 Magnum Bare Hammer Model 65 enabling you to fine-tune trigger

enabling you to fine-tune trigger pull weight

The rebound slide returns the trigger to its forward position after each shot — a key component for smooth

This cylinder stop comes from a Jerry Miculek edition Model 625

It's extremely popular in competitive shooting

J343 Smith & Wesson Used J Frame Model 640 .357 Magnum Bare Hammer Model 65 enabling you to fine-tune triggerJ343 Smith & Wesson Used J Frame Model 640 . 357 Magnum Bare Hammer 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 us and we will need a