those that Moonge listed are excellent choices and you won't go wrong with any of them, but my favorite 125 grn heads are the Muzzy 125 grn 3 blade, or the Rocky ti-125. I have not shot the ironhead, but I have heard it is everything the Rocky ti-125 is, but costs half as much.

TAKE YOUR KIDS HUNTING AND YOU WON'T BE HUNTING FOR YOUR KIDS