Halcon ML-57
Halcón ML-57/60 in top
Type	Submachine gun
Place of origin	Argentina
Service history
Used by	Argentine Army Argentine Air Force Argentine National Gendarmerie Argentine Federal Police Argentine Naval Prefecture Servicio Penitenciario Federal
Wars	Argentine Dirty War Salvadoran Civil War
Production history
Designed	1957
Manufacturer	Buenos Aires Halcon
Produced	1957–?
Variants	ML-57 ML-60
Specifications
Barrel length	292 mm
Cartridge	9×19mm Parabellum .45 ACP
Caliber	9mm, .45
Action	Blowback
Rate of fire	700 RPM
Effective firing range	200 m
Feed system	40-round box magazine
Sights	Iron sights

The ML-57 is a submachine gun manufactured by the Buenos Aires-based Halcon corporation.

The weapon is chambered in 9mm Parabellum for the Argentine Army and in .45 ACP for Police Forces, fed from 30-round magazines.

A later variant of the ML-57 was the ML-60 which housed a two trigger group which enabled select fire capabilities.

• Weapons of the Salvadoran Civil War

• Walter Harold Black Smith, Joseph Edward Smith (1973). Small arms of the world: a basic manual of small arms. Stackpole Books. p. 196-197.

• Edoardo Mori - Historical Atlas of guns.
• Jonas de Carvalho - Photos - Museo de armas de la Nación (Buenos Aires), 2011. Flickr.com.
• Jonas de Carvalho - Museo de armas de la Nación (Buenos Aires), 2011 Halcon ML-57. Flickr.com.

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