J321 Smith & Wesson Used J Frame Model 649-3 Bodyguard .357 Magnum .312" Smooth n frame All components must be properly

All components must be properly fitted to ensure correct engagement

The thumbpiece (cylinder release latch) is the lever you press to swing out the cylinder — a high-wear contact point that's commonly needed for restoration or repair

Professional gunsmith installation required

Universal J Frame Fit: Compatible with all J Frame models using the new style cylinder latch

Installation: Professional installation by a qualified gunsmith is required for proper fit and function

J321 Smith & Wesson Used J Frame Model 649-3 Bodyguard .357 Magnum .312" Smooth n frame All components must be properlyJ321 Smith & Wesson Used J Frame Model 649 3 Bodyguard . 357 Magnum . 312" Smooth Trigger Comes with hand, hand spring, & trigger lever. 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