PROMAG DRUM GLOCK 48/43X 9MM 30RD BLK POLYMER

30-round drum magazine - Fits the Glock Model 48 and 43X 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 USA