ProMag DRM-A55-FDE drum magazine is made in the USA. The Sig Sauer P320 FDE 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 50 rounds of 9mm.
- 50-round FDE drum magazine
- Fits Sig Sauer® P320 9mm pistol
- 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
