| Model | Model: Version 2 | Model: Version 3 |
| Features | CNC aluminum construction | CNC aluminum construction |
| For use with compatible Version 2 gearboxes (M4, M16) | For use with compatible Version 3 gearboxes (AK, G36) | |
| Drop in replacement or upgrade component | Drop in replacement or upgrade component | |
| Compatibility: | Fits Version 2 Airsoft AEG Gearboxes | Fits Version 3 Airsoft AEG Gearboxes |
Manufacturer: BullGear
Material: CNC Aluminum
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