High Quality Content by WIKIPEDIA articles! The 7.62 cm FK 36(r) and Pak 36(r) (7.62 cm Feldkanone (Field gun)/36 (russisch) and Panzerabwehrkanone (Anti-tank gun) 36(russisch)) were German anti-tank guns used by the Wehrmacht in World War II. The gun was a conversion of the Soviet 76-mm divisional gun M1936 (F-22) and the later 76 mm divisional gun M1939 (USV) and 76 mm divisional gun M1942 (ZiS-3).