This is the Shield Arms DS-20 9mm 20-round magazine for Glock 17 pistols.

Maximize your Glock 17’s capacity without sacrificing reliability with this 20-round magazine from Shield Arms!

In nearly the same footprint as your factory Glock 17 magazine, Shield Arms delivers three additional rounds with this high-quality steel magazine. Thanks to the anti-tilt polymer follower and the over-insertion stop that’s stamped into the body, you’ll find this magazine is exceptionally reliable.

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

Grab a few of these 20-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.