Colloquially referred to as "La Engrasadora" (the Greaser), 47,688 P.A.M. 1 and P.A.M. 2 submachine guns were produced between 1955 and 1972.
* P.A.M.2 ("Pistola Ametrelladora Modelo 2") — лицензионный вариант под патрон 9×19 мм, производившийся в Аргентине с 1963 года на заводе FMAP в городе Росарио.