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.275 H&H Magnum
The .275 Holland & Holland Magnum is a semi-obsolete rifle cartridge similar to the 7mm Remington Magnum. It was introduced by the British company Holland & Holland in 1912 with a shorter version of the belted case of the .375 H&H Magnum introduced the same year as the ''.375 Belted Rimless Nitro-Express''. The .375 H&H was intended for dangerous African game animals, while the .275 H&H was intended for longer range shooting of African antelope and Red Stag in the highlands of Scotland.
==History==
Aside from the belted case, the .275 H&H was very similar to the .276 Enfield cartridge of the Pattern 1913 Enfield rifle then under development by the British military to replace the Lee–Enfield. Cordite loadings gave both cartridges a reputation for unpleasant muzzle flash and short barrel life.〔(Sports Publications )〕 Western Cartridge Company offered United States loadings of the .275 H&H Magnum in 1925 with the .300 H&H and the .375 H&H. The .275 H&H was omitted when Winchester Repeating Arms Company started chambering their Winchester Model 70 rifle for the other two in 1937. The .275 H&H offered little ballistic advantage over the .270 Winchester with contemporary smokeless powders.〔Barr, Al, Teesdale, Jerald, Keith, Elmer & Hardaway, Ben F. ''Reloading Information (Volume 2)'' 1951 National Rifle Association pp.54-58〕 U.S. ammunition production ceased during 1939.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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