Factory Glock magazines are among the most reliable and battle-proven in the industry. Glock is known for being one of the world's top manufacturer's of reliable sidearms. Chosen by the military, law enforcement, and citizens alike, they are among one of the most trusted firearms in any application.
Glock magazines come with a very strong spring rate from the factory to ensure reliability in the toughest of conditions. Sometimes, magazines are found to be a little bit difficult to load at first. However, after a few times loading and unloading, the springs break in nicely and it becomes much easier to load. We recommend using a magazine loader to ease the loading process.
For added strength and durability factory Glock magazines are steel lined on the interior with a crack resistant polymer body. This increased durability gives officers, military members, and dedicated citizens the confidence that there will be no issues under heavy training.
13 round .45 ACP caliber magazine will fit and function in the: G21, G21SF, G30 & G30SF
NOTE: All current production Glock magazines are also compatible with all previous generations of Glock