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Steyr Mannlicher M1894 : ウィキペディア英語版 | Mannlicher M1894
The Mannlicher M1894 was an early blow-forward semi-automatic pistol. ==General features==
The earliest Ferdinand Mannlicher pistol, manufactured by Fabrique D'Armes de Neuhausen, Switzerland, was designed to be self-loading and to use a special rimmed cartridge in 6.5 mm caliber. The design represented an entirely new utilization of mechanical principles in automatic action called "blow-forward action". In the standard type of automatic action for low-powered cartridges, the recoil (or blow-back) is utilized to drive back a movable breech face or block, but Mannlicher utilized the principle of a rigid standing breech with the barrel blowing forward to extract, eject, and prepare for reloading. A special barrel housing which carries the sight covers the entire length of the barrel (6.49 in/165 mm) when the arm is closed. A heavy recoil spring is mounted concentrically around the barrel within this housing and is compressed between a shoulder at the forward end of the casing and a shoulder at the rear of the barrel. An unusual element in this design is a three-armed "barrel-holding lever". It is pivoted above the trigger as shown in the drawing from page 188, Mannlicher Rifles and Pistols, Smith, 1947. Its bottom arm engages with the trigger. The forward arm holds the barrel forward for loading. The rear arm serves as a hammer catch.
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