Aim Surplus has Pmags back in stock guys, no limit, $12.95 ea.
http://www.aimsurplus.com/product.aspx?item=MMAG571BLK&utm_source=AIM+Surplus+Main+List&utm_campaign=2decab62a6-052220135_22_2013&utm_medium=email&utm_term=0_6870497a6a-2decab62a6-17859649
http://www.aimsurplus.com/product.aspx?item=MMAG571BLK&utm_source=AIM+Surplus+Main+List&utm_campaign=2decab62a6-052220135_22_2013&utm_medium=email&utm_term=0_6870497a6a-2decab62a6-17859649