jppsx

hi i buyed the games 3week ago. I foud that it easy to kill a leopard1a5 from front armor lower part whit 25mm gun or 40mmke and were also abel to kill the leopard2a5dk,leopard2a4,m1a1ha and str122 from side shout bettwen the front weel and rear weel it is normal? caus 25mm only have 100mm penetration. it is a bug? and if it a bug are it goin to get fixed?