This Pistolet of the German company Heckler&Koch was developed in 1971 and was proposed with the German police force in 1976. It is a Arme compact, at the same time short and not very thick but of a weight raised compared to the modern weapons equipped with a polymer carcass. It is equipped with security system reinforced, in particular a rather original device of lever located in front of the handle and which makes it possible to arm the striker. When the charger is empty, the cylinder head is retained behind and it is then enough to press the lever of the handle after having introduced a new charger in order to release it and to charge a cartridge in the room.
P7 is characterized by a gun particularly low limiting the increase from the weapon during the shooting. The action of its mechanism is rather original since the movement of the cylinder head initiated by the retreat of the ammunition is delayed by a system with gas. These two factors, associated with a significant relaxation contribute to make it particularly precise. It is also famous for the comfort of its handle and its balance. On the other hand its price is relatively high, its mechanism of delayed-action requires a regular maintenance and it heats much after the shooting of 2 or 3 chargers. The system with gas is in particular located at the top of the relaxation and the versions which are equipped with it also have a fireproofed part intended to protect the finger from the gunner of the risks of burn.
The first version barrack room in 9mm Parabellum for a capacity of 8 blows is known under designation P7M8. In 1982 a version great capacity, P7M13, provided with a charger with double column of 13 blows was introduced. In 1991 the P7M10 confined in .40S&W with a capacity of 10 blows came to be added to the two preceding models.
In 1984 a very particular version, P7K3, was marketed for the civil market. The Pistolet confined for not very powerful Munition S gives up the system with gas what allows by changing the gun and the cylinder head to easily convert the gun for three different gauges, namely in 9mm shorts, 7,65mm and .22 long Riffles. It is about a convertible gun which does not have consequently that only one name for the 3 Caliber S.
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