This is the Shield Arms DS-18 9mm 18-round magazine for Glock 19 pistols.

Maximize your Glock 19’s capacity without sacrificing reliability with this 18-round magazine from Shield Arms!

In nearly the same footprint as your factory Glock 19 magazine, Shield Arms delivers three additional rounds with this high-quality steel magazine. It features an anti-tilt polymer follower and has an over-insertion stop stamped into the body, delivering super reliability.

Best of all, Shield Arms backs each magazine with a lifetime warranty and its infamous Spring for Life guarantee! 

Grab a few of these 18-round Shield Arms magazines while you still can!  

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.