These are Gen 4 Factory Glock magazines which have a hardened steel insert, encased in a high-tech polymer. This polymer coating protects the magazine and prevents deformation, even when dropped from a great height. Glock factory magazines ensure smooth, reliable feeding and help you stay confident your pistol will perform reliably. Features a round count indicator on rear face of mag body and the standard factory base plate
NOTE: All current production Glock magazines are also compatible with all previous generations of Glock pistols. Additionally, while these mags are brand new, they are not in retail packaging because they were purchased in bulk.
Not for sale to California residents. CA residents who place an order for any Glock magazine or base pad that has the capability of taking a magazine past ten rounds, will be refunded for these items. A refund notification email will be sent. CA residents can only purchase +0 base pads or GLOCK 43 and GLOCK 42 magazines or base pads. The 43 and 42 base pads do not take the mag capacity past ten rounds.