PROMAG DRUM GLOCK 43 9MM 50RD BLK POLYMER

50-round drum magazine – Fits the Glock Model 43 9mm pistols – 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 – Magazine spring formed from heat treated stainless steel – Made in U.S.A.