MG 13s were sold to Spain where they retained the designation of MG13 and to Portugal which used them into the late 1940s as the Metralhadora 7,92 mm m/1938 Dreyse.
MG 13 rifles were sold to Spain, where they continued to be known as MG13, and Portugal adopted them into service until the late 1940s under the designation Metralhadora 7,92 mm m/1938 Dreyse.