Originally Posted by
rockport
I think the idea is bullet expansion creates enough surface area to use its energy inside the target rather than waste its energy after it exits.
Sounds to me like a theory made up to promote the sale of firearms chambered for cartridges too weak to achieve pass through or someone trying to justify why he doesn't like shooting a 7mm Rem Mag.
I still think that if you are using an appropriately designed hunting bullet, a round that hits the front shoulder at 2000 ft lbs and the far shoulder at 1000 ft lbs is hitting that animal harder and more effectively than a round that hits the front shoulder at 2000 ft lbs and doesn't even make it all the way to the far shoulder.