I have seen a 180gr Nosler BT out of a 30.06 blow right through the chest of a large 6 point bull elk.
And, I've seen the older version 180 NBT blow up on hogs out of a .300 WM. Some of the newer ones seem about as tough as a NAB.
So, you gotta know which Ballistic Tip you have and from what vintage.
Confusing...?
DF