Magpul PMAG 21 GL9 9mm 21RD Magazine
The PMAG 21 GL9 is a 21-round Glock 9mm handgun magazine featuring a new proprietary all-polymer construction for flawless reliability and durability over thousands of rounds. Features a 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 21rd indicator windows. Drops free loaded or unloaded. Compatible with all full-size 9mm Glock handguns, as well as compact and sub-compact variants with some protrusion below the grip. Made in U.S.A.