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・ .25-21 Stevens
・ .25-25 Stevens
・ .25-35 Winchester
・ .25-45 Sharps SRC
・ .250-3000 Savage
・ .256 Newton
・ .256 Winchester Magnum
・ .257 Roberts
・ .257 Weatherby Magnum
・ .26 Nosler
・ .260 Remington
・ .264 Winchester Magnum
・ .270 British
・ .270 Weatherby Magnum
・ .270 Winchester
.270 Winchester Short Magnum
・ .275 H&H Magnum
・ .276 Enfield
・ .276 Pedersen
・ .277 Wolverine
・ .28 Nosler
・ .280 British
・ .280 Jeffery
・ .280 Remington
・ .280 Ross
・ .284 Winchester
・ .30 Carbine
・ .30 Newton
・ .30 R Blaser
・ .30 Remington


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.270 Winchester Short Magnum : ウィキペディア英語版
.270 Winchester Short Magnum

The 270 Winchester Short Magnum or 270 WSM is a short, unbelted, magnum cartridge created by necking down the .300 Winchester Short Magnum and fitting it with a .277 caliber bullet. The correct name for the cartridge, as listed by the Sporting Arms and Ammunition Manufacturers' Institute (SAAMI), is 270 WSM, without a decimal point.〔(Sporting Arms and Ammunition Manufacturers' Institute )〕
==Overview==

When it was introduced, the 300 WSM sported a new case that showed a lot of promise for uses in other calibers. In 2002 Winchester introduced new cartridges in its Winchester Short Magnum family, including the 7 mm WSM and 270 WSM. This new .270 cartridge was the third commercial .270 ever produced, and the first one in 60 years.〔
The 270 WSM is an improvement over the older 270 Winchester providing higher velocity with bullets of the same weight, and thus a flatter trajectory and more energy. Velocities tend to be about faster, in a cartridge that is shorter and can therefore be used in
a shorter action for a more compact rifle if desired.

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
ウィキペディアで「.270 Winchester Short Magnum」の詳細全文を読む



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