375h&h

With the difficulty in locating a new reasonably priced Winchester Safari, what calibers have the magnum action and bolt face to be converted to 375 H&H by re-barrelling?

Gentleman and ladies. - I have 60 rounds of Barnes 375 HH 30 Grain TSX (Sealed in Box) for sale as well as: - 15 Round Federal 300 Grain Trophy Bonded Bear claw - 5 Cases shot out of 20. 5 Rounds brass included. - 37 Rounds Federal 300 grain Poweshock $400 Shipped. Lower 48 States.

This is the original barrel from my CZ550 that is getting rebarreled to 458Lott. Very low round count, I put fewer than 50 rounds through it, and it showed virtually no use when I bought the rifle used last year from another AH member. 1-12 rifling. There are a few scrapes from the process of...