It was loaded with a 115-grain bullet to give a muzzle velocity of 1115 ft/sec. The pistol chambered a powerful 9mm round specially developed for it, which has since become known as '9mm Steyr'. A quick-release catch allows the contents to be ejected through the open action. The magazine, integral in the butt, is loaded by pulling back the slide to open the action, inserting a charger and forcing the cartridges downward.
Barrel and slide then move forward and the helical lug rotates the barrel back into engagement with the slide. The slide continues moving back, extracting the empty case and cocking the external hammer, then returns to chamber a fresh cartridge from the magazine. This disengages the top lugs from the slide and, as they do so, a fourth lug under the barrel strikes a transom in the frame and brings the barrel to a stop. Slide and barrel move back together for a short distance after the gun fires, drawing the helical lug through the groove in the frame to rotate the barrel through about 20ø. The barrel is held in the frame by a helical lug beneath the breech, which engages a groove in the frame.
This well-known pistol is believed to have been designed by Karel Krnka on the basis of the Roth-Steyr 1907.Ī conventional full-slide contains the barrel, the components being locked together by two lugs on top of the barrel engaging recesses in the slide. Magazine: 8-round charger-loaded internal box Maker: Österreichische Waffenfabrik Steyr, 1912-1919, 300,000 made.Ī number of parts were made and pistols assembled by Fegyver és Gépgyár Részvénytársaság, Budapest ('FGGY')Ĭhambering: 9x23mm Steyr, some in 9x19mm Parabellumīarrel: 128mm rifled 4 groves, rh Steyr-Hahn Pistol Commercial Model 1911 and Army Model 1912
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