Design Details
The Type 77 pistol is a compact, pocket-sized, blowback-operated handgun that fires the indigenously developed 7.62x17mm Type 64 pistol round, which was originally created for the Type 64 pistol. The Type 77 utilizes a striker-fired single action firing mechanism and is carried with a loaded magazine and empty chamber.
The Type 77 has both a forward blade front sight with a slight taper and a rear, fixed notch.
The magazine seems to be derived from the Czechoslovakian vz. 52 and is a single-stacked box magazine that carries seven rounds and is released by a button on the left side of the frame on the trigger guard below the actual trigger. A lanyard ring is located at the bottom of the grip. The frame is covered by a one-piece plastic wrap-around grip retained by a single screw. The grip is marked with a single five-pointed star in a circle on each side.
The most unique feature of the Type 77 is the use of an obscure, system of operation developed in the early 20th century by firearms designer, Witold Chylewski, and first manufactured under Louis Schmeisser and later Hugo Schmeisser's Theodor Bergmann Waffenfabrik, a German arms manufacturing company.
This German 'Einhand' system allows the user to single-handedly chamber a cartridge by pulling the trigger guard back, which is connected to the slide. This pulling action will retract the slide back against the return spring. When the trigger guard is released, the slide will return and chamber the cartridge almost instantaneously. The chamber is fluted to reduce slide recoil, this reduces gas pressure acting on the base of the cartridge case. The trigger is then pulled to fire in single-action and the trigger guard is then automatically locked forward as to not strain the index finger during normal firing. An advantage of this system is that misfired cartridges can be quickly discharged with only one hand. If one prefers to carry with a loaded chamber, a traditional, manual safety exists above the left grip panel on the frame.
Recently, China has begun importing the Israeli CornerShot gun system for the People's Armed Police, and at the same time, began developing its own modifications of the weapon for the Type 79 submachine gun. The CornerShot Type 79 has been slightly modified to house the Cornershot system and most notably mounts a Type 77 pistol in a special, rotating mount, placed under the barrel that also houses a tactical flashlight. This rotating mount allows the user to fire the pistol and the submachine gun independently of each other. In addition the entire barrel of the Type 79 can also turn left or right, with the user able to see around corners thanks to a small camera attached to a side mounted LCD screen.
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