ProMag GLKA9B Standard Black DuPont Zytel Polymer Detachable 18rd 9mm Luger for Glock 17/26/19

This replacement or spare magazine is compatible with your Glock G17 19 26. It is constructed of DuPont Zytel polymer with full length internal insert injection molded mag follower and mag spring formed from chrome silicone wire. Made in the USA.