When I was travelling through Russia way back when, we stopped outside Moscow University for a veiw over the city and there were all these guys who had set up markets - these were popping up all over the place as a means of making a quick rouble - and they were selling the usual ushankas and Soviet memorabilia, but one had an AK-47 on his table and he offered me to buy it, to which I mumbled about getting it through customs. I said to him, "Could you get hold of a MiG-15?" as a joke, then he said, "yes, I know someone..." I'm not sure if he was serious or not...