AIM has 75 round new production Korean AK drums. They're $55 each, or 2 for under $100. I'm not sure if these are even any good, but for the price I'm willing to give it a shot.
http://www.aimsurplus.com/product.aspx?item=MAK47K75&name=Korean+AK+75rd+Drum+Magazine&groupid=15
Get your panic buying in early.
http://www.aimsurplus.com/product.aspx?item=MAK47K75&name=Korean+AK+75rd+Drum+Magazine&groupid=15
Get your panic buying in early.