There is a website called Delphi tactical that is still selling Pmags at normal prices. They are currently out of stock, however they are still taking back orders. If you don't mind waiting 4 weeks you can get Pmags without the crazy price hikes. They are limiting sles to 20 per person
http://www.delphitactical.com/collections/mags
http://www.delphitactical.com/collections/mags