Palmetto State Armory has them on sale for $19.99 ea and still in stock! Best price I have seen in a long time.
http://palmettostatearmory.com/inde...stries-inc-m14-m1a-20rd-magazine-7790183.html
http://palmettostatearmory.com/inde...stries-inc-m14-m1a-20rd-magazine-7790183.html