although the washer that goes on with the front trigger guard screw was missing (now purchased and installed)
Do you mean 'washer' (flat) or 'collar' (cylinder)?
You should have a spring washer and a collar.
Mine are not the best, but they are not too bad. I can think of lots of Enfields I'd rather have but instead of constantly striving for more, sometimes it's good to be satisfied with what one has...