This is an ATI Schmeisser 9mm 50-round window magazine kit for Glock 17 and 19 pistols. 

If you’re looking to upgrade your Glock’s capacity without sacrificing reliability, this 50-round kit from ATI is for you! 

Constructed from impact-resistant polymer and featuring side-facing witness windows, this kit remains lightweight and allows you constant visibility of your remaining rounds. It installs quickly and easily with the included disassembly tool, and is reversible anytime you’d like to go back to your standard magazine! The overall capacity for Glock 17 magazines increases to 50 rounds, while the overall capacity for Glock 19 magazines increases to 48 rounds!

Whether you’re breaking in a new gun at the range or plinking in your backyard, you’ll never regret having more ammo on hand!

Grab a couple of these kits while they are still available!

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.