Yes, William, I do think fit of critical parts adds a whole bunch to reliability especially over the long term. Finish, to a lesser extent. Of course, when you combine the very best fit & finish, the pride of ownership goes way up - at least for me. That is hard to attach a price to.
How's that "barbeque" gun coming along? My project Colt Combat Commander should be done in a couple months...I hope. I'll get some photos to share too.
Best regards - redleg