Trejo pistol
Trejo Pistol is a term used to refer to a series of handguns produced in Mexico by Industrias Trejo de Zacatlán S.A., previously called Armas Trejo S.A. and of which, one of its variants, the Trejo Modelo 1 "TIPO RÁFAGA", is considered the smallest machine pistol in the world. == History == During the 1940s, Abraham Trejo began independently developing firearms in secret.