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The Stechkin automatic pistol or APS (''Avtomaticheskiy Pistolet Stechkina'', (ロシア語:''Автоматический Пистолет Стечкина'')) is a Russian selective fire machine pistol. It bears the name of its developer, Igor Stechkin. == Adoption and service == The Stechkin automatic pistol was originally chambered for 7.62×25mm Tokarev. Stechkin changed the pistol to the 9 mm caliber used in the new Makarov pistol (PM), as it became clear that this cartridge was set to become the new service ammunition for handguns of the Soviet Army. In 1951, both the Makarov and Stechkin were introduced into the Soviet military arsenal, replacing the aging Tokarev pistol (TT-33). In contrast to the Makarov, the Stechkin has an automatic fire mode, which is selected using the safety lever. In burst or automatic fire, the pistol should be fitted with the wooden or metal shoulder stock; otherwise, the weapon becomes difficult to control. The detachable stock is similar in appearance and design to that of the Mauser C96, and likewise, the pistol can be stored inside when not in use. The extra support of the stock against the shoulder helps to control the recoil. The Stechkin was intended as a sidearm for artillery soldiers, tank crews and aircraft personnel. As a pistol, it is rather heavy, and combined with the shoulder stock (which was rarely ever used attached), it is quite bulky. This led to the APS being gradually phased out of active service, although it is still used mostly by special forces and also held in reserve. The Stechkin APS was eventually at least officially replaced by the AKS-74U compact assault rifle with folding stock, offering more firepower due to its much more powerful 5.45×39mm M74 rifle ammunition, acceptable accuracy at moderate distances, and greater magazine capacity. A contemporary derivative of the Stechkin, the OTS-33 Pernach, is also chambered for the 9×18mm Makarov cartridge. 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「Stechkin automatic pistol」の詳細全文を読む スポンサード リンク
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