A brand new Glock 17 OEM 17 round 9mm magazine with an anodized Shield Arms +5 magazine extension pre-installed. Their 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 Lifeguarantee.

Disclaimer: Use of this extension with the Glock 19X requires removal of the pistol's lanyard loop.  

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
• Fits OEM Glock magazines only
• Proudly made in the USA
• Fits most aftermarket flared mag wells
• Lifetime warranty