The Astra 600 was a Spanish semi-automatic pistol used during World War II by the Wehrmacht. Designed by Unceta y Cia, it was a shortened version of the Astra 400 manufactured to fire 9×19mm Parabellum, which was the standard pistol ammunition for Germany at the time. The Astra 600 was designated the Pistole Astra 600/43 when used by the German Military during World War II. Approximately 59,400 Astra 600s were manufactured before production ceased.