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Even that isn't clear cut - if the original rings lined up okay(ish). I'm assuming it had rings since the OP said they swapped the rings.

I would hope for the sake of $45 the dealer would sort it,...

It looks like the screw holes for the rear base are out of alignment?
If thats the cause and the dealer didn't do the drilling and tapping I personally wouldn't be expecting them to put it right...