There are a handful of calibres that everyone associates with Africa. The 7×57, made famous by WDM Bell, is probably the first to roll off anyone’s tongue. Although the .30-06 is widely used as well, Africa can hardly lay claim…
This is a calibre for the professional, and even then it will be overgunning 99 per cent of the time. That said, in the other 1 per cent it can be the difference between life and death.