Does it have a breach loading weapon in the turret and an 82mm standard mortar tube elsewhere on the vehicle that can be used separately or is the turret mounted mortar dismountable and therefore both breach loaded and perhaps muzzle loaded too?
I suspect this is effectively an 82mm mortar made more mobile like putting a ZU-23-2 on the back of a truck... but with a HMG machine gun in support...
In terms of armour penetration it would only make sense with direct fire rounds, which could be quite potent firing from behind some cover... but purely self defence.
For guided top attack you would need 120mm calibre... although those new Bulat missiles are probably between 57mm and 75mm, and the new 57mm rounds they are developing could use improved ammo solutions that could be applied to an 82mm weapon...