This is the Tyrant CNC +6/5 Magazine Extension for Glock 17, 19X, 22 Pistols. 

Adding six rounds of 9mm or five rounds of .40 S&W to your Glock has never been quicker or easier!

CNC machined from aerospace-grade aluminum, this extension not only has a flawless finish but also enhances your magazine’s durability. Additionally, the extra weight causes your magazine to drop with little to no effort, making reloading drills and exercises smoother than ever. 

Best of all, you can install it within seconds with no tools required. Each magazine extension is made in America and backed by a lifetime warranty!

Note: This extension does not work with 10-round magazines or Magpul PMAGs.

What are you waiting for? Add a couple of extensions to your cart and upgrade all of your compatible Glock mags!

DISCLAIMER: This product is not manufactured, authorized, endorsed, or warranted by GLOCK. GLOCK does not warrant or represent that this product is compatible with GLOCK pistols.