The Magpul PMAG 21 GL9 is a 21 round magazine designed for Glock 9mm handguns. The MPAG 21 has a new all-polymer construction for durability and reliability. The PMAG 21 GL9 is compatible with all full-size 9mm Glock handguns, as well as compact and sub-compact variants with some protrusion below the grip. The magazine is designed to drop free loaded or unloaded when the mag release is pressed. Features include a high visibility controlled-tilt follower, long life stainless steel spring for corrosion resistance, easily removable floorplate for cleaning, ridged floorplate edges for better grip, and 10, 15 and 21 round indicator windows. Made in U.S.A.
- Compatible with all full-size, compact, and sub-compact 9mm Glock handguns*
- Durable, 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
- Full magazine indicator windows on both sides of body
- Drops free loaded or unloaded
*NOTE: May not be compatible with non Glock platforms that are designed for use with Glock magazines due to a wide range of magwell designs and tolerances.