The ProMag Drum Magazine is a high capacity, 40-round magazine designed for the Thompson 45. It features a durable black polymer construction, precision wound springs, and is backed by a lifetime guarantee against manufacturer's defects.
Specs
| Model No. | MGPMDRM-A105 |
| Model | Drum |
| Manufacturer | ProMag |
| Color | Black |
| Caliber | 45 ACP |
| Capacity | 40 |
