Description
ProMag DRM-A55 is a 9mm drum magazine made for the Sig Sauer P320. It holds 50 rounds and uses a black polymer body with a drum design. ProMag states the magazine is made with heat-treated high carbon steel using stamping and welding, along with modern precision injection molding of mil-spec polymer compounds.
- Capacity is 50 rounds.
- Caliber is 9mm.
- Designed for Sig Sauer P320.
- Black polymer drum construction.
- ProMag states it uses heat-treated high carbon steel and injection-molded mil-spec polymer compounds.
| Capacity | 50 rounds |
|---|---|
| Caliber | 9mm |
| Fits | Sig Sauer P320 |
| Material | Heat-treated high carbon steel and mil-spec polymer compounds |
| Finish/Color | Black polymer |
