Anyone hunting or pesting with aea products?

I have an hp carbine. How heavy of slugs should i try or would u guys with more experience recommend? Ive only put the jsb hades thru mine so far.
.30 cal mine doesn’t like slugs too much well iv only tried NSA and some jsb knockouts i think. mine is most accurate with jsb pellets… ploymags work too but only single shot as ive heard some have issues using them in semi