They may be adequate for the animals that you may be hunting and then again the guide service that you are going to use may not allow them. The best thing to do is to contact the guide service that you plan on using and ask them about it.
I know that here in North America there are guides for moose and bear in Alaska that require a minimum of a .30 caliber and up.
They would be adequate for the smaller of the plains game, but if you're planning on getting into the kudu and eland size animals, you will want to move up to at least a good 30 caliber or better rifle with a good bonded bullet. As critter mentioned, when you pick out a PH to go with, it would be a good idea to get their recommendation to make sure when you get there that they don't say your rifle is too light for the task and make you use an unfamiliar one of theirs,
My biggest discomfort when it comes to hunting is my feet and when they get cold or wet my hunting fun slowly turns to a job trying to keep comfortable.
In my opinion wool socks are the only socks you should be using while hunting. Any other socks do not provide the proper insulation and if they get wet all they are good for is giving you blisters. A common myth people share is that cotton socks will keep you cooler than wool because of the lighter fabric but I have noticed that wool socks in...