This is the Shield Arms S15 +10 magazine extension for Glock 43X, 48 pistols. 

Take your Shield Arms S15 magazine to the next level with this +10 mag extension! 

Machined from 6061 aluminum and type 2 anodized, this mag extension not only adds capacity but also improves durability. Index cuts on the extension body increase grip potential for reloads and add to the overall aesthetic. 

It comes with everything you need (minus the actual magazine), including a 15-coil plus power spring and a lifetime warranty. So what are you waiting for? 

Upgrade all of your S15 magazines and order some of these +10 extensions today! 

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.