If any need 7.62X39, centerfire systems has it in 122gr fmj, 124gr soft point, and 154gr soft point, all at $7.49 per box of 20. Not the best price for steel case but it seems the prices are slowly coming down a little.
http://centerfiresystems.com/ammo_steelcase.aspx
http://centerfiresystems.com/ammo_steelcase.aspx