Check out the deal on Bull Hide Culling Belt at African Sporting Creations
I really like mine from African Sporting Creations. I used a Galco on my pants belt on a couple of trips, but having the separate one which is easier to put on and take off is much handier. I also carry a sheath knife and Leatherman on it.
I find that it's best to use what you've had long experience and practice with. For years I've used an Uncle Mike's synthetic nylon ammunition belts for home, PG and DG hunting. They're light and very robust, and in the heat of the moment I find I'm not buggering about fumbling for ammo, as by long practice I know instinctively where it is, and they're very easy to get the rounds out.
Kevin, where did you get that shirt? That looks handy. I always seem to have my shirt tail come out and get in my way with cartridges on my belt. I also have a bit of dublap that make a belt less than perfect. With my double, reaching up would be more ergonomic with lesser waving.
I also wear safari style shirts doing naturalist work. Itwouldbe handy to keep my thermometer and small vials in those loops.
Dick Murray leather is what I use. I carry two of them (6rd no top cover) for the type of hunt you are going on. They don’t weight much and you have 12 rounds ready. Mine are worn from many safaris but this kind of quality lasts forever, or nearly forever.
other options are out there but not as comfortable to me. You’ll see me using these in my safari prep videos.
I have two of Dick Murray's leather cartridge belts--one for 375 H&H and one for 416 Rigby. He makes them in 6 and 8 round sizes that slide onto your belt. I bought the one without the cover flap, but I think he makes both kinds. MurrayCustomLeather.com.