ETS GLK-18G2: Fits the Glock 17, 18, 19, 19x, 26, 34, and 45. New and improved internal geometry; increased feeding reliability across all ammo types including steel and aluminum casingsSmall changes in the external geometry allows better compatibility with 9mm AR and PCC. Round capacity of 32rd. Uses our GEN 2 Base Plate that improves plate retention and eliminates potential separation on extreme impact. Compatible with most floor plates that fit Glock magazine. Compatible with Gen 1 through Gen 5 Glocks. Ergonomically designed floor plate makes it easy to grab from mag pouches.