Elite Tactical Systems Glock 17/18/19/19X/26/34/45 Extended Pistol Magazine w/Gen 2 Floor Plate 9mm Luger 31 Round Clear Blue 1 Pack Polymer. 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. Compatible with Glock 17/18/19/19X/26/34/45. Specifications for Elite Tactical Systems Glock 17/18/19/19X/26/34/45 9mm Luger 31 Round Extended Pistol Magazine w/Gen 2 Floor Plate: Manufacturer: Elite Tactical Systems Gun Make: Glock Gun Model: Glock 18 Glock 19X Glock 45 Glock 34 Glock 17 Glock 26 Glock 19 Caliber: 9mm Luger Magazine Capacity: 31 Round Color: Clear Fabric/Material: Polymer Features of Elite Tactical Systems Glock 17/18/19/19X/26/34/45 9mm Luger 31 Round Extended Pistol Magazine w/Gen 2 Floor Plate Extreme Impact Resistance - won't crack or break when dropped Very resistant to harsh chemicals Superior heat cold and UV resistance - wont become brittle over time even when exposed to harsh environments or extreme cold Translucent body - allowing you to see your ammo count and type Creep resistant - the feed lips and body won't spread when being stored long term even when fully loaded Package Contents: Elite Tactical Systems Glock 17/18/19/19X/26/34/45 9mm Luger 31 Round Extended Pistol Magazine w/Gen 2 Floor Plate What firearm models does the manufacturer say Elite Tactical Systems Glock 17/18/19/19X/26/34/45 9mm Luger 31 Round Extended Pistol Magazine w/Gen 2 Floor Plate is compatible with? The manufacturer suggests that Elite Tactical Systems Glock 17/18/19/19X/26/34/45 9mm Luger 31 Round Extended Pistol Magazine w/Gen 2 Floor Plate is compatible with Glock 19 Glock 26 Glock 17 Glock 34 Glock 45 Glock 19X Glock 18Elite Tactical Systems GLK18G2BLU-31RD: Glock 17/18/19/19X/26/34/45 Extended Pistol Magazine w/Gen 2 Floor Plate 9mm Luger 31 Round Clear Blue 1 Pack Polymer