Glock Factory G21 .45 ACP Gen 4 13 Round Magazine
Glock 21 Gen 4 .45 ACP 13 Round Magazine (Factory Original - New) - MF21113
This magazine may not feature the ambidextrous magazine release cutouts that are shown in the image.
This is a Factory Original Glock 21 .45 ACP 13 Round Magazine, model MF21113 - the highest quality available. These drop-free Glock magazines for your Glock handgun have a hardened steel insert encased in high tech polymer. This polymer coating protects the magazine and prevents deformation, even when dropped from a great height.
NOTE: All current production Glock magazines are also compatible with all previous generations of Glock pistols if the magazine release is in standard configuration.