Pretty good deal and if you add a cheap free shipping item to your cart it usually drops shipping charges.
http://www.midwayusa.com/s?promotionid=1114530&cm_mmc=pe_brand-_-glock-_-magazines-_-20170426
http://www.midwayusa.com/s?promotionid=1114530&cm_mmc=pe_brand-_-glock-_-magazines-_-20170426