Ammo Brief: .375 Holland & Holland Magnum

Gun News

The legendary .375 Holland & Holland Magnum is the grandfather of nearly all belted magnum cartridges.

Originated by the British firm Holland & Holland in 1912, this is one of the original belted, rimless, magnum-type cartridges. It has been used as the basis for numerous wildcats and most of the Weatherby cartridges. Holland & Holland furnished it in a magnum Mauser action, and Griffin & Howe chambered rifles for it, beginning about 1926. The Western Cartridge Co. first offered it in 1925.

At present, Federal, Remington and Winchester load the .375, in addition to a few others. The first commercial rifle of American make to chamber the round was the Model 70 Winchester, in 1937. Weatherby rifles were at one time available in .375 H&H, as was the Remington Model 725 Kodiak. At present, several American manufacturers list the .375 H&H as standard including Ruger, Winchester and Remington.

General Comments          

Long considered the best all-round African caliber, the .375 H&H is overpowered for North American big game. However, many Alaskan hunters and guides prefer it for moose and grizzly bear. It isn’t a very flexible cartridge for the American hunter unless one expects to hunt the heaviest species and spend time in Africa or Asia.

375-holland-and-holland-table

John Taylor, in his 1948 book African Rifles and Cartridges, rates the .375 H&H as the best of the medium bores for African hunting. It’s his candidate for the most effective all-round cartridge. This cartridge was the basis for Holland & Holland’s latter .300 H&H Magnum and is therefore the great-grandfather of almost all modern belted magnum chamberings. It can certainly be said that the .375 H&H has inspired the entire genre.

Editor’s Note: This article is an excerpt of Gun Digest’s Cartridge’s Of The World.


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