| Halcon ML-57 | |
| Origin: | Argentina |
| Type: | Submachine gun |
| Is Ranged: | YES |
| 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 |
| Design Date: | 1957 |
| Manufacturer: | Buenos Aires Halcon |
| Production Date: | 1957–? |
| Variants: | ML-57 ML-60 |
| Part Length: | 292 mm |
| Cartridge: | 9×19mm Parabellum .45 ACP |
| Caliber: | 9mm, .45 |
| Action: | Blowback |
| Rate: | 700 RPM |
| Range: | 200 m |
| Feed: | 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.