375 JRS

kumate

March 30, 2009 12:43

can anyone give me info on this cartridge.How does it compare to the 375 h&h or the 378 wby

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  nononsense

  March 30, 2009 13:10

  kumate,
  
  This is named by Jon R. Sundra.
  
  Think of it as an Improved version of the .375 H&H or the 8mm Rem. Mag necked up to take .375 bullets.
  
  The case capacity, depending on manufacturer, will be in the area of 100 - 102 grains of H2O to the top of the neck.
  
  By comparison, it obviously holds more powder than the .375 H&H due to the Improved case. The .378 Weatherby case is slightly longer and bigger in diameter than the other two cartridges and holds 137 grains of H2O to the top of the neck.
  
  Best.

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