This is a Magpul PMAG GL9 17-round magazine for Glock 19 pistols
The PMAG 17 GL9, 9mm, 17rd for Glock 9mm handguns. Features high visibility controlled-tilt follower, stainless steel spring, easily removable floorplate for cleaning, paint pen dot matrix for mag marking, ridged floorplate edges for better grip and 17rd indicator windows. Drops free loaded or unloaded. The PMAG 17 GL9 is compatible with all full-size 9mm Glock handguns, compact and sub-compact variants with some protrusion below the grip. *Note- May not be compatible with other platforms designed for use with Glock magazines due to a wide range of magwell designs and tolerances.
Made in USA.