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The 7.92×33mm ''Kurz'' (designated as the 7,92 x 33 kurz by the C.I.P.)〔(C.I.P. TDCC datasheet 7,92 x 33 kurz )〕〔Small Arms Review, Vol. 7 No. 4, January, 2004 | Small arms Review refers to this cartridge only as 7.92×33mm Kurz〕〔Jane's Guns Recognition Guide, Ian Hogg & Terry Gander, Harper & Collins Publishers, 2005, Page 287 refers to this cartridge only as 7.92×33mm Kurz〕〔Barnes, Frank C. (1997) (). McPherson, M.L.. ed. Cartridges of the World (8th Edition ed.). DBI Books. pp. 294, 311. ISBN 0-87349-178-5. | Cartridges of the World refers to this cartridge only as 7.92×33mm Kurz〕 is a rimless bottlenecked rifle cartridge developed in Nazi Germany prior to and during World War II. The ammunition is also referred to as 7.9mm ''Kurz'' (''(ドイツ語:Kurz)'' meaning ''short''), 7.9 ''Kurz'', or 7.9mmK, or 8×33 Polte. It was specifically intended for development of an automatic carbine (assault rifle). The round was developed as a compromise between the longer 7.92×57mm rifle and the 9×19mm Parabellum pistol rounds, and is known as an intermediate cartridge ((ドイツ語:Mittelpatrone)). ==Cartridge dimensions== The 7.92×33mm Kurz has 2.22 ml (34.3 grains H2O) cartridge case capacity. The exterior shape of the case was designed to promote reliable case feeding and extraction in assault rifles under extreme conditions. 400px 7.92×33mm Kurz maximum C.I.P. cartridge dimensions. All sizes in millimeters (mm). Americans would define the shoulder angle at alpha/2 ≈ 17.5 degrees. The common rifling twist rate for this cartridge is 240 mm (1 in 9.45 in), 4 grooves, Ø lands = , Ø grooves = , land width = and the primer type is Berdan or Boxer (in large rifle size). According to the official C.I.P. (Commission Internationale Permanente pour l'Epreuve des Armes à Feu Portatives) rulings the 7.92×33mm Kurz can handle up to Pmax piezo pressure. In C.I.P. regulated countries every rifle cartridge combo has to be proofed at 125% of this maximum C.I.P. pressure to certify for sale to consumers.〔 This means that 7.92×33mm Kurz chambered arms in C.I.P. regulated countries are currently (2014) proof tested at PE piezo pressure. 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「7.92×33mm Kurz」の詳細全文を読む スポンサード リンク
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