Friend of mine has a brand new Ruger .375 - and a Weather Warrior.375H&H - mine - which feeds perfectly - a foul weather rifle indeed.

He has a number of belted magnums - always in possession of at least one .338WinMag & a .375H&H - deceided he wanted to try the rimmless .375Ruger - it kinda matches the appearance of his favourite hunting ctg., the 8x68SMagnum, another beltless, rimmless magnum.

Why indeed? - because they are there for the trying. His first and favourite rimless, beltless magnum was the 9.5x68 I chambered up (originally a McGowen .376/06IMP), then worked up loads for, then sold him for cheap. He used it for a number of years, like the 2,900fps iwth 270gr. for long range moose killing, then sold it to his brother, who wore the barrel out, he liked shooting it so much.
After about 15 thousand rounds, I have that original barrel - now shortened and chambered to a .375/.350Rem. - HA! gotta love change & experimentation!

He may go to Africa, may not. Some guys like to have a variety of 3/8" rifles.