The Shield Arms Glock 43 Magazine Extension adds 2 rounds to your OEM Glock 43 magazine. Our unique, easy access floor plate design allows you to easily 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.
Don't want to do the installation? We also have pre-installed Glock 43 mag extensions.