Hi
I just wonder if US 57mm AT HVAP ability will increase armor penetrating value only. I have seen people triggered it even were facing light vehicles. Were those just miss-clicked or there are actually some extra benefits.
The HVAP ammo is loaded immediately upon activation. For example if you chase a light vehicle and you need to re-locate the AT gun right after it fired a shot (and didnt reload at all), you can activate this ability while the gun is moving and then it can fire immediately once it's setup again.
It's a super niche situation but it still can decide between destroying a light vehicle before it escapes or not if you know this information