J343 Smith & Wesson Used J Frame Model 640 .357 Magnum Bare Hammer 143 The shrouded hammer design distinguishes

The shrouded hammer design distinguishes Bodyguards from Centennial models (40/640) which have fully enclosed hammers

Note: Barrels are caliber-specific

rich blue finish that matches the classic Model 10 aesthetic

used for iconic models like the Model 10

This assembly is essential for both single-action and double-action operation

J343 Smith & Wesson Used J Frame Model 640 .357 Magnum Bare Hammer 143 The shrouded hammer design distinguishesJ343 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