Get maximum flash and firepower for your Glock with the ETS® 9mm 40-Round Extended Magazine for Glock® 18 Pistols. Constructed with an advanced, impact-, chemical-, and UV-resistant, translucent polymer, this aftermarket magazine delivers superior reliability in harsh, demanding conditions. The translucent body makes visual round counts quick and easy, while the creep-resistant design ensures the feed lips and body won't spread, even when fully loaded. A durable internal steel spring, coupled with an anti-tilt polymer follower, delivers ultra-reliable feeding. Plus, the removable floor plate offers easy disassembly for cleaning and maintenance. Better yet, this centerfire pistol magazine is 100% American-made and is backed by ETS' lifetime warranty for superior quality and lasting field service you can truly depend on. Order yours today! Made in USA.