ProMag DRM-A109 drum magazine is made in the USA. The Shadow Systems CR920 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 30 rounds of 9mm
- 30-round drum magazine
- Fits the Shadow Systems® CP920 9mm
- Magazine body constructed of a proprietary DuPont® Zytel™ based polymer
- Injection molded magazine follower
- Magazine spring formed from heat treated stainless steel
- Blue Steel Upper Magazine Tower, Polymer Drum Housing
- Made in USA
