Wz. 35 anti-tank rifle
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The Model 35 antitank rifle was a Polish 7.9 mm anti-tank rifle used by the Polish Army during the 1939 invasion of Poland. It was designated model 35 for its design year, 1935: It was also known by its codename "Uruguay", after the country and by... Wikipedia
Action: Bolt action
Barrel length: 1,200 mm (47 in)
Caliber: 7.9mm
Cartridge: 7.92×107mm DS
Effective firing range: 100 m (110 yd); 33 mm of armor penetration
Feed system: 4-round box magazine
In service: 1939 (Polish Military Service); 1939–1945 (See Users)