The PMAG 15 GL9 is a 15-round GLOCK 9mm handgun magazine featuring our proprietary all-polymer construction for flawless reliability and durability over thousands of rounds. It includes a high visibility controlled-tilt follower, a stainless steel spring, an easily removable floorplate for cleaning, paint pen dot matrix for mag marking, ridged floorplate edges for better grip, and 15-round indicator windows. The magazine drops free when loaded or unloaded. All with the same boring reliability you expect from an OEM magazine. The PMAG 15 GL9 is compatible with standard GLOCK G19 handguns* as well as sub-compact variants with some protrusion below the grip. Made in the USA. Compatibility- The PMAG 15 GL9 is compatible with standard GLOCK G19 handguns as well as sub-compact variants with some protrusion below the grip. *NOTE: NOT compatible with the GLOCK 19X due to it's full-size frame. May not be compatible with other platforms designed for use with Glock magazines due to a wide range of magwell designs and tolerances.