ProMag Industries ProMag, Magazine, 10 Rounds, Fits Glock 22/23/27, 40 S&W, Black Polymer GLK-15 GLK15

This Magazine from ProMag has a body constructed of proprietary DuPont Zytel based polymer. It features an injection molded magazine follower and a spring formed from heat-treated chrome silicon wire. Fits Glock 22, 23, 27 ;Magazine body constructed of a proprietary DuPont Zytel based polymer;Magazine body has full length steel internal insert stamped and welded like the factory magazine;Injection molded magazine follower;Magazine spring formed from heat treated chrome silicon wire