I am a new 73 years old member. I retired from the US Navy in 1991 and worked as an engineer after that. I am now retired and my #1 hobby is guns. I have a Harrison lathe and a Bridgeport milling machine so I do a little gun work for myself. I recently procured a few S&W revolvers and now I am trying to learn about what I have. I will now be asking a lot of questions.