Shield Arms Glock 17 9mm 22-Round Magazine – OEM Body with +5 Extension

This Shield Arms magazine (mfr. part no. G17-ME-5INS-BLK) starts with a brand-new OEM Glock 17 9mm magazine and adds a Shield Arms +5 extension pre-installed, for 22 rounds total. The extension is machined from billet 6061 aluminum with a unique easy-access floor plate that lets you service the spring and follower without removing the extension from the magazine body.

Key Specifications

• Holds 22 rounds total (17-round OEM body plus the 5-round extension).
• Chambered in 9mm Luger.
• Built around a brand-new OEM Glock 17 magazine body.
• Extension machined from billet 6061 aluminum.
• Finished with Type 2 anodizing.
• Features an easy-access floor plate for servicing without removing the extension.
• Index cuts on the extension improve grip when drawing from a pouch.
• Includes a +10% power spring.
• Fits OEM Glock magazines only — not aftermarket magazine bodies.
• Backed by a lifetime warranty.

Frequently Asked Questions

Does this work with a Glock 19X?

Using this extension on a Glock 19X requires removing the pistol’s lanyard loop first.

Is the magazine itself genuine Glock, or aftermarket?

The magazine body is a brand-new OEM Glock 17 magazine; the +5 extension is manufactured by Shield Arms and fits OEM Glock magazines only.

Buy the Shield Arms Glock 17 22rd Magazine

Shop the Shield Arms lineup or browse our full Handgun Magazines selection to find the right fit for your firearm.