Like we said, those broadheads will go through anything that walks this continent with ease provided the arrow is flying true.
This is the entire problem right here.
Yes he's got a lot of issues with his bow, that I'm helping him with,
Get all of these problems worked out and he will be just fine.
If he likes the heads then there is no reason he shouldn't shoot them and switching to another broadhead ins't going to solve anything at all. Get his bow tuned like it should be and he will have no problems with penetration with the ultimate steel heads.