Expecting cooperation from the succeeding governments to the communist regime in Afghanistan the United States soon found out that these arms could not be controlled in the post Afghan-Soviet war. One of the reasons for the United States cold reception of the Mujahideen governments was the inability of the US to establish understanding with them regarding these arms. The fear was as it still is that these arms may fall into the hands of terrorists everywhere. The famous stinger anti-aircraft launcher that did change the course of war with the Soviets is one example. A new element in the field of arms is the issue that Afghanistan is being flooded by their supply to opposing factions.
Main providers are Russia, Iran, and Pakistan.
Saudi money is also involved. And the flow of arms into a country that is now being called a lawless land by the West does raise fear and concern in the region and abroad. Yet instead of ensuring a complete embargo, the United Nations and its Security Council suffice to preaching to the suppliers not to arm the Afghan warring factions. Afghanistan that need to be discussed in detail. It may require many essays by many experts to do so.