CoD's 109E4 canons : overdone ?

[TomcatViP]

This is 30mm shells. They are much bigger than 20mm and carry both more kinetic and chemical destructive power.

If we stay on that line, 30mm canons in future add-on would be modeled just like laser ray guns à la IL2's Mig-9

What I want to say is that the E4 canons bring too much improvement regarding those of the E3 (see the % of damages) and feel like being way too optimistic in hit rate (see the nbr of shells needed averagely per kill).