I would rather not give such a huge t0 AT upgrade to OKW period, and the reasoning is apparently in the fact the OKW simply wouldn't need the AP rounds in the first place.
As far as which of the two would be more lethal or annoying, however, I'd wager the camo and first strike bonus would indeed be more a balance issue than giving any OKW M1 ATG clone superfluous AP shells.
1 it would not be tier 0 i said lock it behind truck call in
2 again cloak would be stationary and give only 50% bonus pen and accuracy for the first round
3 why would 1 shoot with 50% more pen be more lethal than multiple shoots with 50% more pen ?
and again
if u want we can just keep the pen rounds
or copy the UKF at gun that comes earlier
or even zis
i was just trying to make it unique and fit the LV and LT counter theme (with the bonus accuracy and coming early with low pen)