I’m very curious if the 7.7 battle rating would be like late world war two era?
ww2, korea, and vietnam are all present at 7.7, In fact you get vietnam tanks at 6.3 and 6.7
I’d say most medium/heavy tanks at 7.7 are korean war or prototypes at the very end of WW2 except for the maus (which could count as a prototype).
Lights, SPAA and ATGMs and TDs tend to be more modern