The Shield Arms Glock 19/23 Magazine Extension adds 5 rounds to your Glock 19 magazine, and 4 rounds to your Glock 23 magazine. Our unique, easy access floor plate design allows you to quickly access the spring and follower without having to remove the extension from the magazine body. Comes with a 100% lifetime warranty, and the Shield Arms Spring for Life guarantee.
Does not fit the Glock 19X - see our Glock 19X extension here.
Don't want to do the installation? Check out our Glock 19 with pre-installed extension here.
Please check your state and local laws regarding magazine capacity restrictions.
Free replacement magazine springs for your Shield Arms Magazine Extension, for life. Click here to learn more.
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