Product Description
PROMAG Fits the Glock Model 21 / 30 .45 ACP (5/40) Rd Drum - Black Polymer
- 5/40-round drum magazine
- Fits the Glock Model 21 and 30 .45 ACP
- Drum housing constructed of a proprietary DuPont Zytel based polymer
- Magazine spring formed from heat treated stainless steel wire
- Injection molded magazine follower
- Over molded stamped steel feed lips and magazine catch
- Made in USA