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The 5mm Remington Rimfire Magnum is a bottlenecked rimfire cartridge introduced by Remington Arms Company in 1969. Remington chambered it in a pair of bolt-action rifles, the Model 591 and Model 592, but the round never became very popular, and the rifles were discontinued in 1973. About 52,000 rifles and 30,000 barrels for the T/C Contender pistol were sold during its brief production run. Remington discontinued the cartridge itself in the 1980s, leaving owners with no source of ammunition.〔"(5mm Centerfire )" by Holt Bodinson, Guns Magazine, February 2000〕 In 2008, the cartridge was reintroduced by Mexico's Aguila Ammunition in collaboration with Centurion Ordnance.〔"(The 5mm Remington Rimfire Magnum )" by Chuck Hawks〕〔(【引用サイトリンク】title=Aguila Brings Back the 5mm Remington! )〕 ==Design== Remington designed a new bottlenecked case that was somewhat similar to the older .22 Winchester Magnum, but stronger to handle the higher pressure of the 5 mm at 33,000 PSI.〔"(Magnum Rimfire Comparison: .17 HMR, 5mm Rem. RF Mag, and .22 WMR )" by Chuck Hawks〕 It uses a 5mm (.204 caliber) bullet that measures , the same as the more recent .204 Ruger center fire cartridge. For a brief time, Thompson Center Arms offered firearms in 5mm Mag.〔 From 1982 until 2008, no ammunition manufacturers manufactured rounds for this cartridge, but some firearms manufacturers are creating conversion kits to allow the existing 5 mm guns to shoot other more-common cartridges.〔 At the 2008 SHOT show, Taurus International introduced the first handgun chambered for the 5mm Remington Magnum Rimfire.〔(Taurus Introduces New Revolver in 5mm Remington Magnum Rimfire )〕 Concurrent with the announcement from Taurus, Aguila Ammunition announced they would begin producing 5mm RMR ammunition in 2008. As of May 2011, Taurus has not yet imported nor produced their Tracker in 5mm RMR. They had stated that it will be manufactured and imported pending production demand in the second half of 2010. Original 591M and 592M rifles are still occasionally available on gun auction websites and at local gun shops and shows, prices running in the $500.00, plus or minus, range (2013). 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「5mm Remington Rimfire Magnum」の詳細全文を読む スポンサード リンク
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