.280 Dubiel Magnum
One of my Christmas presents was a vintage copy of Elmer Keith's Big Game Rifles & Cartridges (first pub. in 1936). In it, he extols...at great length...the virtues of the .280 Dubiel Magnum (and the .276 D.M. as well). I gather that John Dubiel was a gunsmith of some renown at the time, and a wildcat cartridge innovator as well. Mr. Keith liked the cartridge so much, that he predicted that it would ultimately be more successful than almost any other cartridge, and gives several examples of its success (FWIW, he also thought the .35 Whelan was "one of the finest cartridges extant..." and liked the .348 Win and 405 Win very much).
Keith states that the cartridge was derived from a necked down .300 Magnum brass, and shot the same bullets as a .280 Ross. So my first thought is that the .280 DM is an early 7mm Remington Magnum. However, Keith also shows a fondness for long, sloping shoulders (a la' 300 H&H magnum)....so maybe not?
In any case, what say you all?[?]
p.s. despite his modesty, it's obvious Elmer Keith shot at and killed more North American game than any of us could ever hope to do so. His poor experience with most bullets helped me understand why the Nosler Partition was received with such acclaim.
Keith states that the cartridge was derived from a necked down .300 Magnum brass, and shot the same bullets as a .280 Ross. So my first thought is that the .280 DM is an early 7mm Remington Magnum. However, Keith also shows a fondness for long, sloping shoulders (a la' 300 H&H magnum)....so maybe not?
In any case, what say you all?[?]
p.s. despite his modesty, it's obvious Elmer Keith shot at and killed more North American game than any of us could ever hope to do so. His poor experience with most bullets helped me understand why the Nosler Partition was received with such acclaim.
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My books are gone, but I belive the .280 Dubiel was on the full length 2.85" H&H Magnum case. I think it had more shoulder than the .275 H&H but was still rather tapered by modern standards. 0 -
From July, 2010 Precision Shooting "John Dubiel" by Michael Petrov
Two cartridges carry the Dubiel name, the .276 Dubiel & .280 Dubiel.
Charles Askins and John Dubiel worked together developing the .276 Dubiel. They first worked with the .30-06 case, then adopted the .275 H&H Magnum case, John changing the shape of the shoulder and necking the case to 7-mm. The Western Cartridge Company made ammunition for the rifle and put it on the market. The .280 Dubiel was made by necking down the .300 H&H case to .28 caliber. The barrels were cut with a groove diameter of .2885" and bullets were made the same diameter. Elmer Keith did a lot of experimenting and wrote a lot about the .280 Dubiel cartridge. Keith fired five five-shot groups with the .280 at 500 yards from the prone position using 180 grain bullets. The largest group measured 5-inches and the smallest 2 ?" center to center.0
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