The primary goal of Elite Tactical Systems is to provide their customers with innovative products by utilizing cutting edge design, materials and manufacturing processes, and they're proud to offer durable, top quality, American-made products, built to withstand the rigors of combat.Extreme Impact Resistance - won't crack or break when droppedResistant to harsh chemicalsSuperior heat, cold and UV resistance - won't become brittle over time even when exposed to harsh environments or extreme coldTranslucent body allows you to see your ammo count and typeCreep resistant - the feed lips and body won't spread when being stored long term even when fully loadedProduct Specifications :Fits the Glock 17 18 19 19x 26 34 and 45Compatible with Gen 1 through Gen 5 GlocksExtended 27-round capacityCompatible with most floor plates that fit Glock magazinesEasy disassembly with our specially designed baseplateErgonomically designed floorplate makes it easy to grab from mag pouches