FMK 3 parts set includes all parts less barrel receiver and magazine.
The FMK-3 is a selective fire blowback-operated submachine gun of Argentine origin designed by Fabricaciones Militares in 1974. Around 30,000 were produced for the Argentine military by 1991. The FMK-3 is chambered in 9×19mm Parabellum, with a rate of fire of 650 rounds per minute. Used in the Argentine Dirty War, Croatian War of Independence, Falklands War, Guatemalan Civil War, Salvadoran Civil War.