ITEM NUMBER #138 Outstanding condition German 3,7cm whole AP round from 3,7cm PAK36 AT gun with BdZ5103 base fuze. The Pak 36 (Panzerabwehrkanone 36) is a 3.7 cm caliber Germananti-tank gun used during the ww2. It was the main anti-tank weapon of WehrmachtPanzerjäger units until 1942. Developed by Rheinmetall in 1933, it was first issued to the German Army in 1936, with 9,120 being available by the beginning of the war in September 1939 and a further 5,339 produced during the war. All cleaned and preserved.