As much as I love the 450-400, it is really in the 375 class of killing power IMO...It works, but for the big 5, and that includes Elephant and lets toss in the Hippo, I would much prefer the 470....

f\For shooting fun, enjoyable shooting, and a good enough gun in a pinch, I sure like a 450-400, but with my butt on the line in a charge, I really want a bigger gun, that is the reason my last purchase was a 470 as opposed to another 450-400...

The 500/416 was a considered and capable option at the time I got my .470 but recoil is about the same, so I went with the larger bore...