strosfann,
I have the same model Meopta as you on a LA Ruger 77MKII, had to go to high rings with Ruger rings; every ring maker has the arbitrary "medium". So like Pete E and others have stated, you won't know until you either have given it a try or someone else has the exact same set-up.
Measuring the Meopta's bell at 2.381, conversely my Kahles 50mm scope has a bell of 2.209. Quite the range!