Learn how to properly load magazines for three firearms: an AR15, Glock, and STI Double Stack 2011 9mm. Loading a magazine is the first and one of the most important steps needed to make sure your firearm functions properly.![]()
How to Load an AR 15 Magazine
To load an AR15 magazine, begin with a round. Depress the top of the follower with your thumb and the magazine.

Slide the round into the magazine, making sure it is fully seated. Repeat until the magazine is full.

How to Load a Glock Magazine
The procedure for loading a AR 15 magazine is the same for a Glock magazine. Thumb across the top and depress the round against the follower.

Slide the round into the magazine. Repeat until the magazine is full.

How to Load an STI 2011 Magazine
Loading the 2011 magazine follows the same procedure. After taking your round, you are basically thumbing the round into the magazine. Insert against the follower and repeat until the magazine is full.
