Yeah, I have seen that same picture many times before Hazcat, Neon Knight Anubis. And it does show that they are all kinda the same. However, let me ask you this. What if you go half way back from the 12in. line and draw an imaginary line at say the 4in. line, or even the 6in. line. Then which one would you rather choose, the .40 or the 9mm? The heavier .40, with a little bigger expansion, may just be enough to punch threw a would be attacker's leather jacket, sweet shirt, and regular shirt.. then still have enough ummpth.. to penetrate further into his vitials, etc. What if the bad guy is on drugs and a non-lethel shot doesn't work and you are aiming to make a lethal shot in order to save your life. What if that extra little bit of .40 size is just enough to hit an artery or other vitial, where as it might not have with a .40? Just something to think about...

What if you need a bigger hole in the first 4in. of a shot's placement?