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Roth-Steyr Model 1907 Pistol
Country of Origin: Overall Length: Barrel Length: Weight: Caliber: Rifling: Capacity: Muzzle vel:		Austria-Hungary 9.0 in 5.0 in 36 .0 oz 8 mm 4 grooves, RH twist 10 rounds 1,090 ft/sec

This pistol first went into full production in 1907, when it was put into service by the Austro-Hungarian Army, primarily for use in the cavalry. This was the first time any major power adopted a self-loading pistol in place of a revolver. The Roth-Steyr pistol fired from an unusual style of locked breech. The bolt was very long. Its rear end was solid, except for a sleeve for the striker, but its front part was hollow and fit tightly over the barrel. The interior of the bolt had cam grooves cut into it, and the barrel had studs which fit into the grooves. When the pistol was fired, the barrel and bolt recoiled together within the hollow receiver for about 0.5 inch. During this operation, the grooves in the bolt caused the barrel to turn 90 degrees, after which it was held while the bolt continued to the rear, cocking the action as it did so. On its forward journey, the bolt picked up a cartridge through a slot on its lower surface and chambered it, while the action of the studs in the grooves turned the barrel back to its locked position. The magazine, which was in the butt, was an integral part of the weapon and was loaded through the open breech from a stripper clip.

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