What all will the shell kind changes like these 2 be or will there be nothing different just name change? Asking because not sure what all it does so just want some simple clarification
Marder 1A1
20mm Rheinmetall Mk. 20 Rh 202
AP DM43
Shell kind: APCR -> APDS
Begleitpanzer 57
57mm Bofors L/70 Mk.I
AP-T 57x438R
Shell kind: APCR -> AP
57mm Bofors L/70 Mk. 2
AP-T 57x438R
Shell kind: APCR -> AP