Halcón M-1943

{{Infobox weapon

| name = Halcón M-1943 submachine gun

| image = Armamento_-_Museo_de_Armas_de_la_Nación_43.JPG

| image_size = 250

| caption =

| origin = Argentina

| type = Submachine gun

| is_ranged = YES

| service =

| wars =

| designer =

| design_date = 1943

| manufacturer = Fábrica de armas Halcón

| unit_cost =

| production_date = 1943

| number =

| variants = See "Variants"

| spec_label =

| weight = 4.75 kg

| length = 850 mm

| part_length = 292 mm

| cartridge = 9×19mm Parabellum
.45 ACP

| cartridge_weight =

| caliber = 9mm
.45

| barrels =

| action = Blowback

| rate = 700 rpm

| velocity =

| range = 200 m

| max_range =

| feed = 30/36/40 round box magazines (Depending on variants)

| sights = Iron

}}The Halcón M-1943 is a submachine gun of Argentine origin and is chambered in both 9×19mm Parabellum, used by the Argentine Army, and in .45 ACP for the police,{{cite web|url=http://world.guns.ru/smg/smg110-e.htm|title=Modern Firearms - Halcon M/943|publisher=world.guns.ru|accessdate=2015-09-05|archive-url=https://web.archive.org/web/20100902002620/http://world.guns.ru/smg/smg110-e.htm#|archive-date=2010-09-02|url-status=dead}}*Julio S. Guzmán, Las Armas Modernas de Infantería, Abril de 1953 though neither used it in front-line roles.{{Cite web|date=2011-06-08|title=Halcon M 1943 SMG|url=http://www.probertencyclopaedia.com/cgi-bin/res.pl?keyword=Halcon+M+1943+SMG&offset=0|url-status=live|archive-url=https://web.archive.org/web/20110608174944/http://www.probertencyclopaedia.com/cgi-bin/res.pl?keyword=Halcon+M+1943+SMG&offset=0|archive-date=2011-06-08|access-date=2021-07-26|website=Probert Encyclopedia}}