Smith and Wesson was sold to the firm Saf-T-Hammer,a Arirzona based safety and security company in 2001.
Go to Smith and Wesson's website and download/request a manual. Find a bookstore and look for a series of books by J.B. Wood on fireams disassembly.
SAF-T Hammer Coporation
ConAgra owns Wesson
Thompson Center is currently owned by Smith and Wesson holding corp.
A shotgun made for Smith and Wesson, sold under the Smith and Wesson name.
Unless the owner sees your question, you will likely never find out.
Standard Catalog of Smith and Wesson
The Wesson part of Smith and Wesson.
Smith & Wesson was founded in 1852.
Smith and Wesson will tell you if you call them
Horace Smith, Daniel Wesson
It was a Smith and Wesson 44 Magnum "The most powerful handgun in the world" according to Harry.