Thanks for reading. I'm getting ready to buy a Shield for self defense.

I want to preface this by saying that I'm not one of those people who thinks 9mm is inadequate. I am, however, concerned whether 9mm out of such a short barrel is adequate with standard hollow point ammo. Seems like velocity of a 9mm bullet out of the Shield's short barrel may not provide enough penetration and expansion.

As a side note, I'm not interested in the .40, because I heard it has problems and that it's snappy. I also don't want to use +p in a 9mm Shield, because the online instruction manual advises against it -- this is why my question concerns standard ammo.

Thanks again for your thoughts.