This is a factory Glock 21 Gen 5 13-round magazine, chambered in .45 ACP. This magazine also fits Glock 30 and 41 pistols.

Features Glock’s signature steel-lined polymer construction, providing unrivaled durability and reliability. To top it off, this G21 mag features individual witness holes on the back. All the goodies you’ll ever need in a factory replacement magazine.

It comes with Gen 5 upgrades, including a high-visibility orange follower and angled base pad.

If this is your go-to pistol, we highly recommend having extra mags on hand (they don’t go bad).

Pick up a few extra Glock 21 Gen 5 magazines today!