Also, there are/were some combloc steel jacketed HP rounds sold cheap at one time. They looked like they would be good expanders, but apparently some of them acted just like ball ammo.
Overall, you need to see what a specific bullet was designed for. The bullet/ammo companies make the bullets/ammo for specific purposes.
Drugs are bad because if you do drugs you're a hippie and hippies suck.
"If you kill enough of them, they stop fighting."-General Curtis E. LeMay