First, I would get Briley to do the choke instalation. They may be a little higher but re-sale value will be better since you can get additional choke later if you want. They keep records so they know exactly what gun and what chokes to use. They are the best!
Tru-Oil will cover those scratches or at the Grocery store they usually seel scratch cover for furniture. I have used it to cover scratches.

Mike Proctor