One member of another site actually did a 60 to 70 conversion by purchasing all the parts from Numrich & Brownell's.
It doesn't require a machine shop...just removal of the feed throat, add a mag well & associated parts
a new stock, and a few other items known as magazines...
It cost him more than a new 795...
But now he has what he wants
Far easier to just go buy a Marlin 795, and enjoy the $25 rebate that's good until the end of the year
Then you have a rifle for you, and a rifle for your wife/girlfriend/kids/etc