Description
| Manufacturer | ProMag |
| Model | Glock 21/30 40 Rd. Drum |
| Type | Accessory-Magazines |
| Family | G21 Series |
| Capacity | 40 |
| Shipping Weight | 1.9 |
| AdditionalFeature | Black Polymer Drum |
| AdditionalFeature | Fits Glock 21 & 30 Models |
| MFG Model No | DRM-A37 |
| UPC | 708279014963 |
