Promag Handgun Drum Magazine Black Polymer Fits Glock Models 21&30 .45 ACP 40/rd

Description

40-round drum magazineFits the Glock Model 21 and 30 .45 ACPDrum housing constructed of a proprietary DuPont Zytel based polymerMagazine spring formed from heat treated stainless steel wire Injection molded magazine followerOver molded stamped steel feed lips and magazine catch Made in USA