I have 6 mags total. All have metal follower. On the bottom plate 3 are marked "Colt AR-15 cal 5.56mm Colts PT F.A. Mfg co, inc Hartford Conn USA" and have the pony in the circle as well. 3 have "M16/M16A1 Cal 5.56mm Universal inds Div Simmonds Prec. Prod Inc West Haven CT USA" and a square with a SI in it. $65 for all including postage in the USA. All in good working condition, with typical slight wear and tear. Will be shipped from Pennsylvania zip code 18235.