Data last updated on 2019-10-14 @ 18:33:48pm (EST)

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In Stock .375 WBY MAG Ammo For Sale- Trusted Ammo Retailers

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.375 Weatherby Magnum is a medium-bore rifle cartridge. The cartridge is blown out, improved and provided with the Weatherby double radius shoulder – given the Weatherby treatment – version of the .375 H&H Magnum. Unlike other improved versions of the .375 H&H Magnum like the .375 Ackley Improved.

The .375 Weatherby Magnum was designed by Roy Weatherby in South Gate California in 1944 and put into production in 1945. The original cases were fire formed from .300 H&H Magnum Winchester brass, then from Richard Speer’s 300 Weatherby brass before finally settling with Norma as a source for cases. It was also with Normal that Weatherby finally found a source for loaded ammunition.

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.375 wby mag


Weatherby N375300PT Select Plus 375 Weatherby Mag 300 GR Nosler Partition (NP) 20 Bx/ 1 Cs

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20 Rounds
$4.28 cost per round

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