As for the complaints I have been reading here online the only one I can agree with is the thin finish issue. The phosphating looks good when right from the package but it doesn't take much to rub it down to a silvery gray color. Once the finish wears to this point the underlay is durable. The floorplates are not thin, nor weak.. Actually they are the most heavy duty that i have ever seen on an AR magazine plus they are easier than all others to remove and they do not bend. Feed lips are well formed and there is no Mil-Spec sharp edge of the front corners of the feed lips. Overall quality is excellent. Dimensions are actually tighter than the Mil-Spec, these magazines fall free from my Olympic receivered varmint rifle, a weapon notorious for grabbing and holding onto magazines. In several hundred rounds fired there are no feed mishaps, none, nada, not even one. The ammunition used has been 55 and 62 grain mil type fmj. facory loaded 55 soft point and my favorite 52 grain hollowpoint handload. I can now recommend these magazines to anyone wanting decent 30 round AR15 bullet boxes.