Thank you.

Fit with the wood seems as it should be. In this case it's more metal to metal: larger screw holding the trigger plate to the frame, the large screw under the to top level, and the screw that holds the top level to the mechanism attached to the bolt. The gun is the Alfred Field SLE that I'm working to clean up.

I don't know to what degree the screws were or were not appropriately timed. I think it's about 120 years old based on the marks, so who knows what has transpired to date.