Trust your GlockA(R) to the PMAGA(R) 17 GL9 17-rd. Magazine from Magpul. It features all-polymer construction for uninterrupted shooting, remarkable durability, and fabulous reliability to enhance your shooting experience. 9mm (9x19 Parabellum) 17 rounds Durable, but lightweight, polymer construction High-visibility controlled-tilt follower Long-life stainless steel spring for corrosion resistance Flared, easily removable floor plate Dot matrix panel for magazine marking and identification Magazine indicator windows on both sides Drops free loaded or unloaded Fits all full-size 9mm Glock handguns, as well as compact and sub-compact variants with some protrusion below the grip (may not fit platforms designed for use with Glock magazines) Note: Dust cover not included, sold separately