http://www.ar15.com/forums/t_3_17/693270_List_of_Brownells_Bad_Batch_Date_Codes.html
Quoted:
We apologize & are sorry to hear some of you received faulty magazines. This is frankly the first time the team here has been alerted to this potential issue. We do not have a documented “bad batch” of magazines out there, especially military issue mags. This thread has been passed to our production staff to get eyes on & provide you with a detailed response. Anyone who has purchased commercial magazines (not the tan follower military magazine), please contact us for a full refund or exchange. Please do so even if you did not purchase these directly from Brownells. Those with military magazines (tan follower), we will be PMing you to work out a solution.
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From the PM I got back I contacted Brownell's and I was told that they would not take them back as I did not purchase them directly from them. The quote above says otherwise.If the current batch of mags doesn't have the crease I would like to exchange them if I can to avoid problems down the road.Can I exchange them or not.