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Hi-Point Model JCP
The Hi-Point Model JCP is a blowback operated semi-automatic pistol chambered for the popular .40 S&W round.
==Design==
The model JCP has a polymer frame like all Hi-Point pistols, a 4.5 inch barrel, and a slide composed of ZAMAK-3 with steel reinforcements.
It features an integral accessory rail for mounting lasers and flashlights on Hi-Point rings. The safety is a combination lever for locking the slide and blocking the sear movement. The immediate drawback of this system is that the weapon cannot be cocked while the safety is on; the safety locks the trigger/sear, but the common misconception is that it only locks the slide.
Hi-point's handguns use a simple yet reliable "Blowback Design" similar to that used in the Walther PPK and Russian Makarov PM. In blowback weapons the return spring and mass of the slide absorbs the rearward force generated by the propulsion of the bullet. As the slide moves back, an extractor hooks the empty casing and pulls it out of the chamber after which the case is ejected from the weapon. When the slide has completed its rearward travel, the recoil spring moves the slide forward, chambering another round. Many modern handguns use a locked-breech design and therefore do not require the amount of mass that the blowback design requires in order to remain safe to fire, comfortable to shoot, and easy to control during the firing process.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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