ProMag GLK15 Standard 10rd 40 S&W Compatible w/ Glock 22/23/27 Black DuPont Zytel Polymer

Pro Mag drum magazine is compatible with your Glock 22/23/27. It is constructed of DuPont Zytel polymer with full length steel internal insert, injection molded mag follower and mag spring formed from chrome silicone wire. Made in the USA.