Some people swear by them but personally, I don't see an advantage. If you are casting, you can control the alloy so it expands without the hole in the front. The tendency in a hollow point is for the nose of the bullet to peel back and detach itself, depriving the bullet of penetrating mass. I prefer a big, crushing meplat to create the wound channel, saving each gram of bullet I can in hopes of reaching air on the other side. [/i]