ProMag Industries, Magazine, 45 ACP, 40 Round Drum, Fits 1911 Government, Polymer, Black
- 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
