 This was followed by a third test of 50 so-called "cartridge counter" Parabellum pistols in 9 mm caliber by Springfield Armory in 1904.Other nations either tested the Model 1900 or purchased small numbers for limited field service, including Austria, Brazil, Bulgaria, Canada, Chile, Holland, Luxembourg, Russia, Norway, Sweden, and Portugal.Commercial models of the Model 1900 were exported in quantity as well.