I have, hunt with and reload for a 275 Rigby, 300 H&H, 318 WR, 333 Jeffery, and 350 Rigby, each by their eponymous maker.
While the 318s are my favorite, the 275, 300 and 350 have much better bullet choices. Given Rigby has reintroduced the 350, and 358 bullets are plentiful, I think that...