ProMag Black Polymer Handgun Magazine For Glock 43 9mm 50/rd Drum

50-round drum magazine Fits the Glock Model 43 9mm pistol Drum housing constructed of a proprietary DuPont Zytel based polymer Magazine upper tower has full length steel internal insert stamped and welded like the factory magazine Injection molded magazine follower Spring formed from heat treated stainless steel Made in the USA