British 75mm MkV tank gun

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If the British 75mm Mk.V and US 75mm M3 were almost identical, and used the same ammo. Why does the US M3 have PEN 10 and the UK Mk.V only PEN 8 in the game?

In the case of the M72 ammo, according to an earlier post on this thread, the Brits even improved that round, giving it a higher penetration.

I looked at a couple of penetration sources, and they say there was virtually no difference between the M3 and Mk.V. In one case they gave the M3 a much poorer penetration than the Mk.V with APCBC M61 rounds, but I suspect that was an error of some sort.

I know the Mk.V did not have great AP ability, but it should probably be better than it is in SP, and surely should be no different from the M3?

Or am I missing something here?


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