85 percent is very good. I'm glad you seem to be taking a break and evaluating your next move. Getting so many surfaces fit properly is tough and slow is the way to go. Sometimes you also need to say "good enough ". Don't chase that 100 % contact on face and take things too far. Please keep us posted on your progress and put up some photos.

I got a few Bakers years ago as just stocked actions. I eventually fit barrels and forearms to both of them so I know what you're going through.