FB P-64

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P-64
The P-64
Type	Semi-automatic pistol
Place of origin	Polish People's Republic
Service history
In service	1965–present
Production history
Designed	1950s
Manufacturer	FB Radom
Produced	1965–1977
Variants	P-70, P-75, P-78
Specifications
Mass	620 g (22 oz)
Length	160 mm (6.3 in)
Barrel length	84.6 mm (3.3 in)
Height	117 mm (4.6 in)
Cartridge	9×18mm Makarov
Action	Blowback
Muzzle velocity	305 m/s (1,001 ft/s)
Effective firing range	Sights fixed for 50 m
Feed system	6-round detachable box magazine
Sights	Rear notch and front blade

The P-64 is a Polish semi-automatic pistol designed to fire the 9×18mm Makarov cartridge. The pistol was developed in the late 1950s at the Institute for Artillery Research (Polish: Zakład Broni Strzeleckiej Centralnego Badawczego Poligonu Artyleryjskiego, which later became the Military Institute of Armament Technology, Polish: Wojskowy Instytut Techniczny Uzbrojenia w Zielonce—WITU) by a team consisting of: W. Czepukajtis, R. Zimny, H. Adamczyk, M. Adamczyk, S. Kaczmarski and J. Pyzel. The P-64 is also known as the CZAK^[1] (an acronym of the designers' last names with the exception of J. Pyzel, who joined the team after the name had been established).