Gaztanaga Destroyer was an automatic pistol designed by Isidaro Gaztanaga in Eibar, Basque country, in 1913, using 6.35 mm caliber. It was produced in Gaztanaga y Compania, Eibar, Basque country, and is notable for being a common Spanish handgun with the Eibar Type safety located above the grip. It was followed in production by a 7.65 mm version which was produced for the French army during World War I. The standard magazine contained nine rounds, but in production models used only six or seven. The weapon is a copy of John Browning's 1906 pistols.