Get reliable performance at the range. The MagpulA(R) PMAGA(R) GL9A(R) is made from heavy-duty, rigid polymer and features premium components that ensure flawless performance whether you're shooting 5 or 5,000 rounds. For easy round checks, it's equipped with a full magazine indicator on both sides of the body at 10, 15, 20, and 27 rounds remaining. Compatible with all double-stack Glock 9mm handguns and 9mm variants with some protrusion below the grip. Fits all double-stack Glock 9mm handguns and 9mm variants with some protrusion below the grip 27-round capacity Rigid polymer construction Dot matrix panel for magazine marking and identification Full magazine indicator windows on both sides of body at 10, 15, 20, and 27 rounds remaining Removable flared floor plate Corrosion-resistant stainless steel spring High-visibility, controlled-tilt follower Drops free when loaded or unloaded Meets overall length requirements for a 170mm competition magazine Made in the USA