The ProMag Drum Magazine is a reliable and durable accessory for the Glock 21, capable of holding 40 rounds of 45 ACP caliber ammunition. This black, polymer made device is produced in the USA, boasting a lifetime guarantee against manufacturer's defects, ensuring quality with its meticulously checked assembly process.
Specs
| Model No. | MGPMDRM-A37 |
| Model | Drum |
| Manufacturer | ProMag |
| Color | Black |
| Caliber | 45 ACP |
| Capacity | 40 |
