NOT KNOWN FACTS ABOUT S&W 340PD

I don't want just about anything prime mounted, so no best pic rail methods. I would like to shoot irons, Using the laser as an option.If it is over the grip as an alternative to the butt, the butt may well are actually destroyed or defaced. The ATF would have a file of it, S&W would not Have got a clue about the new variety. Also keep in mind, ATF