The shoulder-fired weapons were obtained mostly from suppliers in France and Belgium, the source told Reuters. France had paid for the transport of the weapons to the region.
The supplies were going to General Salim Idriss, leader of the Supreme Military Council of the Free Syrian Army (FSA), who was still the kingdom's main "point man" in the opposition, the source said.
Speaking to Reuters on Friday, Idriss urged Western allies to supply anti-aircraft and anti-tank missiles and to create a no-fly zone, saying if properly armed he could defeat the Syrian army within six months.
The Gulf source said without elaborating that