It also wasn’t an armor test. They shot specifically to penetrate the tank as it was training for combat maintenance depots to repair real battle damage. It was never shot in the turret and those are just fragments from the shot that penetrated the UFP.
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afaik korea had 3BM42 at best but not 3BM44 unless you have info regarding that
3BM42 is APFSDS itself, 3BM44 is APFSDS+propellant. Not much a issue.
ah that’s right my bad then