Contact S&W and they will send you one.
Contact S&W
Call Smith and Wesson and they will send you one. Go to their website and you can download one.
50-500 USD or so
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.
Follow the instructions on your owners manual. If you do not have one get one.
Cleaning instructions start on page 20 of the owners manual which is available at the following link. http://www.eaacorp.com/Manuals/mp153.PDF
Best to have a gunsmith show you or contact S&W and ask for an owners manual.