S&W has excellent Customer Service, but...
I'll share my experience w/317's. I've owned four (4) of the 317 1 7/8" barrel, fixed sight versions (all purchased new), over the past decade. The most recent of the 4 I picked up new 12/16/10. After cleaning I took it to the range. It locked up on shot number 6 of the first cylinder full of ammo. I tried 9 different kinds of ammo. None made it through a complete cylinder without jamming/heavy dragging/very hard trigger pull. Plus, the right side of the hammer was eating into the frame. Also shot high.
I called S&W and they shipped my 317 back to the factory. Couple weeks later S&W sent me a brand new, more expensive, 317-2 3" with the adjustable sights. They said my returned gun had too many issues to make it worth while to repair.
So now I have my 5th 317. I haven't shot it yet, not sure what I'm going to do with it. I love the concept of the 317. All of mine have had some issue small or large.
My dream 317 would have Scandium frame, stainless steel cylinder, big fixed sights, 2.5" barrel.