Likely just fine, but a tiny bit of BC won't make much of a difference to a deer. Last Rifle magazine I got had an interesting article on the obsession with ballistic coefficient and how it actually had very little bearing on the hunting world. Got me thinking that no matter what I fool around with, I really haven't found anything that kills a deer any better than good ol' 150 gr. Hornady interlocks in my 308. They're actually more than enough, I remember a doe quartering towards that the shot deflected off the inside of the rib cage and went from sternum to tailbone with enough energy left over to pile well into the tree behind her.