.375 Weatherby Magnum Cartridge Drawing

The .375 Weatherby Magnum


Q: I’m sick and tired of trimming my .375 H&H brass after every couple of reloads. I’m seriously considering having it rechambered to .375 Weatherby Magnum to stop the cases stretching so quickly. I believe you once owned a Winchester Model 70 .375 Weatherby Magnum, so I’d appreciate your comments about it. Also, what loads for 270gn and 300gn bullets?

Keith Turner

 

A: The improved .375 Weatherby Magnum is not overbore like the larger .378 and other super magnums and for those wanting higher velocity for long range work, the .375 Weatherby would be a good choice. My best loads are: Hornady 270gn SP and 92gn of AR2209 for 2830fps and 88gn of the same powder with the 300gn Hornady for 2720 fps. In the event you want to shoot pesky varmints for practice, a charge of 84gn of AR2208 drives the 235gn Speer at 3010fps. For heavier game Hornady makes a fine 300gn solid that I’ve used with great success on buffaloes.

 

 

 


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Nick Harvey

The late Nick Harvey (1931-2024) was one of the world's most experienced and knowledgeable gun writers, a true legend of the business. He wrote about firearms and hunting for about 70 years, published many books and uncounted articles, and travelled the world to hunt and shoot. His reloading manuals are highly sought after, and his knowledge of the subject was unmatched. He was Sporting Shooter's Technical Editor for almost 50 years. His work lives on here as part of his legacy to us all.

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