Prior to accessing this site I had little interest in hunting Africa. Now it's not only a possibility, it's a probability- once the travel bans are banned. but I have a question. The rifles that I would be taking are a 470 double (open sights) and/or a 404 J bolt action with 1-4x scope. the game I would want would be a Cape buffalo and possibly a cull elephant. No particular desire for soft skinned game. the areas would be southern Africa depending on which country had the least hassle at the time. So the question is: would those two rifles be redundant or would it be an advantage to take both. the 470 would go for sure- the 404 could stay at home.
@Ray B you definitely want to be a belt and suspenders man when you go to Africa. If your ammo is lost (it happens a lot) you have two bites at the apple to panhandle for a few rounds when you come with two calibers. Guns also break on safari. A lot. You always, always bring two.
Regarding your statement "just a buffalo and an elephant" I think that's a bad plan. You've traveled halfway around the world, you should target at least two other categories of animal on your hunt even if you're not seeking thin skinned game.
1.) You ALWAYS hunt the unusual, endemic animal that is localized to that specific place. Oribi, Tsessebe, Bushbuck, Grysbok, Lechwe, etc. Odds of you ever going back to that specific place where that odd animal lives ever again are pretty slim. These are not high cost add-ons either. Don't blow your money on kudu, zebra, eland, impala, warthog...those will found everywhere you go on your next 5 safaris. But the grysbok, tsessebe, or other odd critter? If it lives in that pocket of nature you hunt, that's your chance.
2.) You BETTER hunt the animals that are quickly being sought for permenant ban if you can conceive of a time where you wanted to hunt them ever. I'm talking about Spotted Hyena, Leopard, and Giraffe. Those three animals are definitely uncertain to be legal to hunt in the future. Especially spotted hyena and giraffe for whatever bizarre reason.
As to your rifle battery, if you're hunting elephant, the 470 comes with. If you're just doing buffalo, the 404j. The second rifle as backup and for smaller things is always a 375HH.
Just my opinion which many will surely disagree.