I'm not talking Wolf and Tula junk, but the 5.45 x 39. You can find them in stock on tons of websites for $0.18 cents a round, which is cheaper than any .22LR you can find in stock at the moment. Cheapest 7.62x39 I can find is $0.62 / round.
http://www.wideners.com/itemdetail.cfm?item_id=6974&dir=18|830|851
http://www.wideners.com/itemdetail.cfm?item_id=6974&dir=18|830|851