Greetings Archer276,
Admitting my ignorance, I’ve never heard of the .300 PRC, neither the 7 MM PRC.
You mentioned bonded and / or copper bullets.
If those PRC cartridges are of the USA tendency to drive bullets super fast culture then, you will do right by using said extra tough bullets.
Also, IMO —> the 7 MM calibers are treading into the “not enough bullet” category for one ton animals.
I’m not saying they won’t work with perfectly placed shots (and a little luck) but with respect to the large beasts, we owe it to them to use enough gun.
Extra velocity is not really needed in the vast majority of African Hunting conditions.
In fact, most PH’s regard extra velocity as unwelcome, at least in part due to valuable meat being unnecessarily destroyed.
I am not a PH but I definitely agree with them on this (and many other common sense topics).
Anyway, since eland can sometimes weigh an honest ton and are on your list, plus ammunition for it is generally available for it over seas, I recommend the .375 H&H with 300 grain round nose soft.
The original H&H version of the .375 is my favorite global hunting cartridge, due to the above facts.
Also, I live where twice now I have found grizzly tracks next to my house.
With it I’ve shot perhaps a hundred hoofed animals.
It will break both eland shoulders with one well placed hit.
And yet, it is much easier on the meat and skins of small animals, such as duiker, impala and so forth than the faster / lighter bullet calibers are.
I once shot a Klipspringer with a 300 grain Hornady RNSP.
The bullet passed through both lungs.
The exit hole was smaller than a golf ball.
A 300 Magnum likely would’ve splattered the little hopper badly.
Some folks like to groan about this cartridge being antiquated, with its belt, long tapered profile, barely any shoulder at all and so-forth.
However, it has been doing excellent work for well over 100 years now.
And again, ammunition for it is available when the baggage apes loose your luggage with your cartridges in it.
Those who say this is not a serious concern have not travelled around the world enough times to experience it yet.
Last but not least, there is a saying:
“If it works, why fix it” .
Personally, I find comfort in that.
Anywhooo, good luck with your hunt, no matter what caliber you decide on.
Best Regards,
Velo Dog.