The Quadmag-53 is a 53 round magazine and is compatible with the Quattro-15 lower receiver. The Quattro-15's 53 round magazines give patriots the ability to carry a 210 round loadout with only 4 magazines instead of 7.
| FireArm | No |
| Model | Quadmag-53 |
| Capacity | 53 |
| Material | Plastic |
| Caliber | 5.56x45mm NATO |
