The ProMag Magazine is a USA-made 556NATO caliber AR Rifles magazine with a 40 round capacity. This black, polymer magazine offers consistent quality, backed by a lifetime guarantee against manufacturer's defects.
Specs
| Model No. | MGPMRM40SL |
| Manufacturer | ProMag |
| Color | Black |
| Caliber | 5.56 |
| Capacity | 40 |
