50-500 USD or so
have a gunsmith show you. less chance of damage.
Call Smith and Wesson and they will send you one. Go to their website and you can download one.
Contact S&W
Which model? The best thing to do it check the owners manual.
YOu need a gunsmith or call S&W and ask for a owners manual
Call S&W, want ad, on line auction.
Go the S&W website and request one.
You must follow the instructions in the owners manual or call S&W
Contact S&W by phone or go to their website. They have manuals for download.
You can request one from Smith and Wesson on their website.
Contact S&W for an owners manual. Too long to reproduce here.
Best to have a gunsmith show you or contact S&W and ask for an owners manual.