Out of three deer I took last season on the ballistic tips, two hit bone, neck and spine, these are the ones that I was surprised at the entry and general wound area. One that was shot through the front lower neck, the bullet exited at the side on the hind quarter. Killed it quick, didn't get far at all, yet no blood to track, just a tufft of hair (snow) entry and exit holes standard issue.

These definitely blow up (only way to describe it) if they hit bone of any kind. They they blow right through though.