Just my opinion, based on my reading, and SOME testing in water jugs, but I have seen some of the HP's with smaller openings fail to expand, and over penetrate.
I got good expansion from Gold Dots and they have a good reputation. I think Mas has recommended Gold Dots and Ranger T's.
VOTE November 4. And keep in mind: candidates who want to pass laws that further restrict Law Abiding Citizens, are doing ABSOLUTELY NOTHING to curb the problem of gun violence by felons!.