The seizures were carried out in Buenos Aires and three other Argentine towns
The joint operation of the US and US security forces captured large weapons and ammunition on Friday, according to Jornal da Globo.
According to the Argentine authorities, arsenal was smuggled from the United States, destined for Brazil, and a criminal faction in Rio de Janeiro.
The seizures were carried out in Buenos Aires and three other Argentine towns.
According to the Argentine "La Nación" newspaper, more than 300 war guns have been captured after a three-week investigation into the US Department of Homeland Security's warning.
According to the newspaper, ghost companies were used in Argentina for the smuggling of weapons.