Neha Patil (Editor)

.400 Jeffery Nitro Express

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Type  Rifle
Designer  W.J. Jeffery & Co
Manufacturer  Various
Place of origin  United Kingdom
Designed  1902
Produced  1902 to present

The .400 Jeffery Nitro Express or .450/400 3-inch Nitro Express is a medium bore, bottlenecked, Nitro Express cartridge designed by W.J. Jeffery & Co in 1902, intended for use in single shot and double rifles.

Contents

Development

The W.J. Jeffery & Co developed the .400 Jeffery NE from the .450/400-3¼ inch Nitro Express, following extraction problems with the latter cartridge.

The .450/400 3¼-inch NE was recreated by loading the old .450/400 3¼-inch Black Powder Express with cordite, transforming a low-velocity deerstalking cartridge into a genuine big-game hunting round capable of tackling even the largest Indian and African game. The conversion was not initially entirely successful, under the increased pressures of the cordite loading the long neck could stick in the chamber causing the rim to pull off at extraction, a problem not encountered with the milder black powder loadings. To counter this, W.J. Jeffery & Co reduced the length of the case to 3-inches and moved the neck further forward, creating this cartridge, as such it was never loaded with black powder.

Unlike earlier .450/400 3¼-inch NE cases the .400 Jeffery NE was standardized on the .411 caliber bullets, renewed interest in the .405 Winchester meant more bullets in this caliber were becoming available.

Use

The .450/400 NE in both the 3-inch and 3¼-inch versions were extremely popular in Africa and India, prior to the introduction of the .375 Holland & Holland they were considered the best all-round African hunting caliber. Both cartridges were extremely popular in India with Maharajas and British sportsmen.

Karamojo Bell started his elephant hunting career with a Jeffery built .450/400 double rifle prior to moving to his famous .275 Rigby. Jim Corbett switched from a .500 Black Powder Express to a W.J. Jeffery boxlock double rifle in .400 Jeffery NE which he used along with a .275 Rigby.

In his African Rifles and Cartridges, John "Pondoro" Taylor stated the 3-inch and 3¼-inch .450/400 NE catridges to be "the grandest weapons imaginable for all big game hunting" adequate for all African game in almost all conditions when used by an experienced hunter. He further stated "I derived greater pleasure from using the .400 than any other calibre; and no weapon behaved more successfully in my hands. I would happily finish the remainder of my career with a pair of them and nothing else-unless it was a third!"

Elmer Keith stated this cartridge would be his first choice when hunting brown bear in Alaska.

References

.400 Jeffery Nitro Express Wikipedia


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