P-70
P-70 having official designation "9mm Military Pistol Model 70" (9mm pistolet wojskowy wz. 70) is a Polish semiautomatic pistol created in early 70ties by M. Adamczyk, J. Okraszewski and A. Kowalczyk from Military Institute of Armament Technology (Wojskowy Instytut Techniczny Uzbrojenia). Gun was designed for replace P-64 CZAK pistol, which suffers low reliability, small magazine capacity and very hard trigger pull in double action mode. Prototype of P-70 pistol was firstly presented in Central Military Invention Exhibition (Centralna Wojskowa Wystawa Wynalazczości) in 1973. P-70 pistol was never entered to mass production.
P-70 pistol. Photo reproduced from book "Polish Small Arms Constructions" (Polskie Konstrukcje Broni Strzeleckiej) by Piotr Zarzycki and Zbigniew Gwóźdź
P-83 design
P-70 is blowback operated handgun which fires from closed bolt. Recoil spring is mounted around the barrel. Slide stop catch is located on left side of the frame in front of the grip panel. External extractor is mounted on right side of slide. Ejector is located on frame. Pistol has the slide manufactured by stamped steel method and frame manufactured by casting aluminium loy. Gun sports double action trigger mechanism with exposed hammer and firing pin with spring. Hammer spring is located in rear side of frame. Manual safety lever is mounted on left side of the slide. The pistol is chambered to fire 9x18mm 57-N-181S cartridge (also known as 9x18mm Makarov) and is fed from a double column single fed 8 round magazine being located in the pistol grip clad with plastic panels. Gun can fires 9x17SR mm cartridge (.380 ACP) after barrel change. Magazine latch is located under pistol grip and locks against bottom of the magazine. Slide mounted open sight are set at 25 meters.
P-75
P-75 pistol in version without manual safety. Photo reproduced from book "Polish Small Arms Constructions" (Polskie Konstrukcje Broni Strzeleckiej) by Piotr Zarzycki and Zbigniew Gwóźdź
P-75 is a semiautomatic pistol based on P-70, gun was designed in 1975. P-75 is blowback operated handgun which fires from closed bolt. Recoil spring is mounted around the barrel. Slide stop catch is located on left side of the frame in front of the grip panel. External extractor is mounted on right side of slide. Ejector is located on frame. Pistol has the slide manufactured by stamped steel method, slide insert from machined steel, and polymer frame. Gun has double action trigger mechanism with exposed hammer and firing pin with spring. Hammer spring is located in rear side of frame. Pistol exist in three version. First version has manual safety lever on left side of slide which locks firing pin. Second version has manual safety on left side of frame which locks slide and firing mechanism. Third version is a gun without manual safety or decocker. The pistol is chambered to fire 9x18mm 57-N-181S cartridge (also known as 9x18mm Makarov) and is fed from a double column single fed 8 round magazine being located in the pistol grip. Magazine latch is located under pistol grip and locks bottom of magazine. Pistol has slide mounted open sight. In 1978r designers team (Zbigniew Zborowski, Henryk Adamczyk, Ryszard Szydłowski, Andrzej Kowalczyk) get patent for P-75. Pistol was never entered to mass production.
P-70 summary
-70 is heavier, but more reliable, more accurate, more ergonomical, less expensive to manufacture, and has more capacity magazine than P-64. P-75 has very modern polymer frame. Before P-75 only mass produced handgun with polymer frame is a VP70 machine pistol. First handgun with polymer frame, which was entered to use in armed forces, is a Glock 17 entered to use in austrian armed forces in 1982. P-70 and P-75 pistols was never entered to use in Polish Armed Forces, P-64 was replaced by P-83 "Wanad" pistol which was entered to use in 1984.
version
P-70
P-75
cartridge
9x18mm 57-N-181S
9x18mm 57-N-181S or
9x17SR mm
muzzle velocity
305m/s
305m/s (nabój 9x18mm)
barrel lenght
101mm
101mm
lenght
180mm
181mm
height
136mm
138mm
weight
750g without ammunition
750g without ammunition
magazine
double column 14 rounds
magazine
double column 14 rounds
magazine