A S&W 39-2 is a semi-automatic. Manufactured from 1971 to 1982, it had a improved extractor over the model 39. Has an aluminum frame and stainless slide with single stack magazine and a de-cocker safety on the left side.
You can get manuals at the Smith and Wesson website.
A 10mm semi-automatic.
Smith & Wesson semi-automatic rifle
50-550 usd
100-325 UD
100-325 UD
Impossible to answer without more details.
50-350 usd
Seldom exceed 300 USD
25-2500 usd
50-260 or so
You Can't. This Idea is beyond the capabilities of the pistol.