With strong steel construction and a coyote brown polymer sleeve, this 19-round, 9mm magazine is designed for either the Glock G19X or Gen5 G17 pistols. This mag utilizes an extended magazine floor plate to increase capacity to 19 as well as providing a more ergonomic grip. The magazine also features witness holes to track ammo count and offers the same reliability you would expect from any other Glock accessory. Product Specifications Manufacturer: Glock Model: G17 Gen 5 / G19X Caliber: 9mm Luger Capacity: 19 Rounds (17+2) Features: Coyote tan, witness holes