A Glock 17 OEM 17-round 9mm magazine with a preinstalled Shield Arms +5 rounds extension.

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.

Compatible with Glock® 17/34/19X/45

Magazine Extension Features:

·         Unique easy access floor plate design to service or clean the magazine body without the need to remove the magazine extension from the magazine body.

·         Index cuts on the extension body to increase grip when coming out of a magazine pouch.

·         Machined from billet 6061 aluminum

·         Type 2 anodized

·         Adds 5 rounds to Glock 17 9mm

·         Comes with a +10% power spring

·         Proudly made in the USA

·         Lifetime warranty

Disclaimer: Use of this extension requires removal of the pistol's lanyard loop.  

Please check your state and local laws regarding magazine capacity restrictions.