I purchased a 3 inch 317 because of it's light weight.

I found that I had trouble holding elevation with the hi vis sights.

I called S&W and found that the front and rear sights for a Mod 60 will fit the 317.

I ordered a set of the sights and installed them and they work very well for me.

The gun is very light so you really have to pay attention to the front sight and your
trigger control when you are shooting it.

Great field gun for rabbits and squirrels.

My gun does have the issue where with some ammunition fired cases are hard to extract
but for the ammunition I use most often it extracts OK.