A shot with quality self defense ammo, or hell, even FMJ to th pelvic region is a pretty darn good fight stopper.
Some "old hands" passed that down to us in the big sandbox as a way of stopping a bad guy clean, keeping him around to interogate, and minimizing potential for over penetration. Good deal all around.
NRA Life Member
"Had King Kong showed up in Texas, Frank Hamer would have taken him down with his Model 8 in .35 Remington...well, he was kind of big, so maybe his BAR"