This factory hammer block is a critical safety component engineered for Smith & Wesson's N Frame .44 Magnum revolvers. Compatible across multiple generations—Model 29, 29-1, 29-2, and 29-3—this part prevents accidental discharge and maintains the revolver's renowned reliability standards. Sourced from original inventory, it delivers authentic fit and function for restoration work or replacement needs. An essential component for anyone maintaining or rebuilding these powerful magnums to factory specifications.
Part# 29120
We sell used, new & new old stock Smith & Wesson double action revolver parts. Shoot us an email or give us a call  for all your S&W Gun needs! - USA Guns And Gear
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 little more info on your revolver.
A revolver is a repeating handgun that has a revolving cylinder containing multiple chambers and at least one barrel for firing.
The term “hand ejector” came to denote all revolvers in which the action opened by swinging to the left side of the frame. Empties were ejected by pushing
The Smith & Wesson hand ejector double/single action revolver has been around long enough for the design to seem somewhat timeless!
Features: Smith & Wesson factory part
Gunsmiths Required: Disassembly and Assembly required to replace part
Some parts may require installation and fitting by a qualified gun smith Factory replacement parts are manufactured to the exact same specifications and tolerances and use the same manufacturing materials as the original parts
 
             
               
               
               
               
               
               
                   
                   
                   
                   
                  