The Counter-Terrorism and Organised Crime Investigation Branch (C-TOC) is searching for a St. Andrew woman for questioning in connection with Sunday's arms and ammunition find at a warehouse at Newport West in Kingston.
The shipment of guns and ammunition, which was concealed as food items, was addressed to the individual.
Six guns and more than 500 rounds of ammunition were seized by the Customs Enforcement Team.
Shortly after midday, four hand guns, two M-16 rifles and 507 assorted rounds of ammunition were found in a barrel.
It was shipped from the United States and destined for an address in Kingston 11.