The Magpul PMAG 10 GL9 9x19 GLOCK 19 was designed for flawless reliability and durability over thousands of rounds. They provide the same quality and performance of the proven Magpul PMAG series of Glock magazines while also providing a viable product solution to those in locations and situations where a 10-round capacity restriction is required or desired. Includes 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 10 round indicator windows. Drops free loaded or unloaded. All with the same boring reliability you expect from an OEM magazine.