[Shorty]

I have noticed that in the zone recon scenarios, some of the lighter vehicles (BRDM-2, BDRM-2/ATGM, SA-8, SA-9, 2S1, 2S5, 2S19, ZSU-23/4) cannot be destroyed by 105 mm tank gun.
Yet they can by .50 cal MG, LAW, 20 mm cannon, 40 mm grenades?