ProMag Drum Magazine 40 S&W 50rd Black Polymer - DRMA19

This 50-round drum magazine is chambered in .40 S&W and designed to fit Glock Model 22, 23, and 27 pistols. The drum housing is constructed of DuPont Zytel polymer with a full-length steel internal insert, injection-molded follower, and heat-treated stainless steel spring. Made in the USA.