IMPERIAL SPORTING .35 UP TO .399"

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375-338 WINCHESTER MAGNUM

    

Also known as the 375/338 Chatfield-Taylor. It was developed by RF Chatfield-Taylor of .416 Taylor fame, another great wildcat calibre. This wildcatting thing can become very confusing:

  • The 375/338 Win Mag is based on the 338 Win Mag case necked up to .375
  • It is also known as the 375/338 Chatfield-Taylor
  • It is very similiar to the 375 Epstein, which is based on the 338 Win Mag case
  • It is also very similiar to the 375 Taylor, which is a 338 Win Mag necked up to .375, or a 458 Win Mag case necked down to .375

The following is from P.O. Ackley's "Handbook for Shooters and Reloaders", Volume One:

"The .375 Durham Magnum is the .338 Win Mag case necked up to .375 with a 35 degree shoulder angle to provide a very fine short .375 Mag cartridge with an overall length suitable for use in the standard actions. Balistics are practically the same as the standard .375 H&H Mag. (This book was first published in 1962!)