Product Features Fits all generations of Glock 17, 18, 19, 19X, 26, 34, and 45 Extended 40-round capacity Base plates interchangeable with ETS line of 9mm double stack magazines Due to the wide variety of extensions for Glock, our mag base is designed to be compatible with Glock extensions Easy disassembly with our specially designed base plate Ergonomically designed floor plate makes it easy to grab from mag pouches Lifetime Warranty Extreme Impact Resistance won't crack or break when dropped Very resistant to harsh chemicals Superior heat, cold and UV resistance won t 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 Product Specifications Manufacturer: Elite Tactical Systems Model: Glock 17, 18, 19, 19X, 26, 34, 45 Caliber: 9mm Magazine Capacity: 40 DISCLAIMER: GLOCK is a federally registered trademark of GLOCK, Inc. and is one of many trademarks owned by GLOCK, Inc. or GLOCK Ges.mbH. Neither Sportsmans Outdoor Superstore nor this site are affiliated in any manner with, or otherwise endorsed by, GLOCK, Inc. or GLOCK Ges.mbH. The use of GLOCK on this page is merely to advertise the sale of GLOCK pistols, parts, or components. For genuine GLOCK, Inc. and GLOCK Ges.mbH products and parts visit www.glock.com.