Originally Posted by MikeMcGuire
... I can't remember exactly when but definitely by the early 80s the 375 and 458 turned into the same gun and were called the Express and had the sling swivel on the barrel. The price of the Express 375 and 458 were still a lot more than the smaller calibres.


So all those yrs from 1937 Win didn't think they
could make it in the market with an African Exp.
priced .375 -

Jack Lott wrote that until release of M70 .375
Americans considered .30-06 as 'Big Bore'
despite .375H-H being known as medium since
1912. created to challenge the 1908 .350 Rigby.

Pondoro Taylor found .350 killed every bit as well
as .375 and since the .35 Whelen can surpass old
Rigby loads, then surely its A big-bore .375 in disguise.

Quote

“With it [the .350 Rigby] I killed practically all species of
African game from the elephant on down. I killed more
lions with this rifle than with any other.”

"There is nothing spectacular about this cartridge; it
has never had the write-up that the .318 and .375
Magnum get from time to time; nevertheless, it is a
splendidly effective shell and at ranges of up to at least
150 yards kills as instantaneously as the .375
Magnum. In addition, it has an appreciably lighter
recoil."

"No man in his right mind could possibly wish for
a better medium bore rifle than this for general
African hunting."



******
IIRC, Taylor also stated he nailed 11 elephants
with 11 shots from his .333 Jeffery_300 grain.
and that .333 would travel the length of animals
as folks also reported with .318 WR.

Before .375 minimum laws came in , Harry Selby
typically recommended .318 WR to clients.
He ended up with his first .375 only after clients
gifted him an M70 at end of safari in 1950.


-Bulletproof and Waterproof don't mean Idiotproof.