All I know is that an adequate sized entry hole and a good sized exit wound coupled with internal damage through the vitals forward of the diaphragm usually lets the air out of them pretty quickly. I am constantly amazed at tales of double lung and/or heart shot ungulates running hundreds and hundreds of yards. I have to believe most were due to sorry shooting, but that's just me.

Life Member NRA, RMEF, American Legion, MAGA. Not necessarily in that order.