So, forgive me for being a little short on basics but basically my brother in law in Illinois has picked up a Gen 3 Glock, full size ( 4 inch? 5?) shooter in .45acp. I forget which model he has. The problem is with all the concers out there and current legislation pending in Il law, he can't find any hollow points for defensive rounds, only ball ammo. I'm going to pick up a box or two of defensive rounds but don't know much about Glocks. Any advice on what runs good?