Glock Factory G21 .45 ACP Gen 4 13 Round Magazine

Glock 21 Gen 4 .45 ACP 13 Round Magazine (Factory Original - New)

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.