ProMag DRM-A37 drum magazine is made in the USA. The Glock 21/30/41 drum magazine is constructed of DuPont Zytel polymer with injection-molded mag follower and heat-treated stainless steel spring. The mag upper tower features a heat-treated & painted carbon steel. This magazine holds 40 rounds of 45ACP.
- 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
