FMK-3 submachine gun

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FMK-3
Type	Submachine gun
Place of origin	Argentina
Service history
In service	1974-present
Used by	Argentine Army
Wars	Falklands War
Production history
Manufacturer	Fabricaciones Militares
Produced	1974
Number built	30,000
Variants	FMK-5 (semi-automatic civilian variant)
Specifications
Weight	3.4 kg (7.5 lb) empty
Length	523 mm (20.6 in), stock folded 693 mm (27.3 in), stock extended
Barrel length	290 mm (11.4 in)

Cartridge	9x19mm Parabellum
Action	Blowback, closed bolt
Rate of fire	650 rounds/min
Effective range	100 m
Feed system	25, 32, and 40-round detachable box magazine
Sights	Flip up iron sights

The FMK-3 is a selective fire, blowback operated submachine gun of Argentine origin and was designed by Fabricaciones Militares in 1974. It is chambered in 9 mm, with a rate of fire of 650 rounds per minute. 20, 32, and 40 round magazines are available for the FMK-3. 30,000 were produced for the Argentine military by 1991. ^[1] Rarely, some variants are found with fixed stocks. The FMK-3 is also produced for the civilian market, as a semi-automatic-only version, named the FMK-5.