These Glock 19 Gen 5 magazines are factory original mags made by Glock for your favorite 9mm compact! These exceptionally reliable magazines combine a hardened steel core with high-tech polymer, allowing Glock mags to remain reliable even after extraordinary abuse. Why trust anything but the best when it comes to making sure your sidearm feeds reliably?This is a 5th generation full capacity 15 round 9x19mm caliber magazine ideal for all generations of Glock 19.