Regarding Post #7.
If you have a spare bolt for your .410 SMLE shotgun; would it need to be numbered the same as the shotgun to be legal? Seeing as it will also fit a .303
I really don't know. the question has never arisen.
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...