Each GLOCK magazine is constructed from a hardened steel insert encased in high tech polymer to protect the magazine and prevent deformation even when dropped from a great height. The high quality spring and follower ensure reliable feeding from the first to the last shot.


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Genuine Glock 10 Round magazine for the Glock 21 .45 ACP semi-auto self defense pistol. These Genuine Glock mags are GREAT to carry as spare mags to give you some extra ammo for defensive situations and they are GREAT at the range!

GLOCK magazines have a stiff metal tube encased in the proven Glock high-tech polymer. This resists deformation even when dropped from great height or exposed to extreme environmental conditions.

Glock 21 Magazine Features
- Ammo count sight holes at rounds 4-10
- Tough steel lined polymer magazine won’t dent if dropped

Glock 21 Magazine Specifications
- Compatible With: Glock 21
- Caliber: .45 ACP
- Capacity: 10 Rounds
- Body Finish: Black Polymer
- Base Plate Material: Polymer
- Follower Material: Polymer
- Model Number: MF10021
- UPC: 764503100215

Glock magazines have stiff springs and may be difficult to load to full capacity until broken in.