Elite Tactical Systems Glock 21/30/41 Pistol Magazine 45 ACP 13 Round Clear 1 Pack Polymer 13RD. This mag features an easy disassembly with ETS's specially designed base plate and is also designed to be compatible with Glock extensions. The ergonomically designed floor plate makes it easy to grab from mag pouches. Specifications for Elite Tactical Systems Glock 21/30/41 45 ACP 13 Round Pistol Magazine: Manufacturer: Elite Tactical Systems Gun Make: Glock Caliber: .45 ACP Magazine Capacity: 13 Round Color: Clear Fabric/Material: Polymer Features of Elite Tactical Systems Glock 21/30/41 45 ACP 13 Round Pistol Magazine 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 21/30/41 45 ACP 13 Round Pistol Magazine Elite Tactical Systems GLK21-13RD: Glock 21/30/41 Pistol Magazine 45 ACP 13 Round Clear 1 Pack Polymer