This is the Shield Arms 9mm 20-round magazine for Glock 19 pistols.

What’s better than an OEM 15-round Glock magazine? How about an OEM 15-round Glock magazine with an aluminum +5 extension from Shield Arms!?

You read that correctly, this is a genuine Glock magazine with a +5 Shield Arms magazine extension added. You get the factory reliability with the added capacity you’ve wanted, all wrapped up in a pre-installed package!

Shield Arms even backs these magazines with a lifetime warranty and its infamous Spring for Life guarantee!

These are sure to sell quickly, so grab a few 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.