I have personally delivered 7 well placed shots from a USGI M1911A1 .45ACP into an oncoming razorback hog. The first 5 rounds were into the chest, and succeeded in upsetting said beast more than he already was. Rounds 6 & 7 were head shots and finally put him down. Rounds 1 - 5 never penetrated the bone and gristle of the front chest plate area.

I hate Arkansas...