Ive seen pics of what they do. If they go through they take a sofball size chunk out of the other size. They fragment very easily. I shot a 2 liter pepsi bottle filled with water and no cap on ti and it turned the bottle to quarter size pieces at 200 yards. They make very tiny holes going in the animal. Everyone says that they very rarely go through unless you are very close to the animal (like 50 yards or less). I saw some 45gr hollow points somewhere and i dont think they would fragment like the v-max dose but i like the damage they do and i know what i shoot isnt going to run anywhere after its hit.