Designed to fit snuggly between the gearbox and front end of the upper receiver the SGD3 acts as a buffer and reinforcement piece in high performance M4 AEG Airsoft rifles reducing the likelihood of damage to the hop up unit or gearbox shell.
Features:
- Compatible with most Tokyo Marui spec. M4 Airsoft AEG rifles
- CNC machined from aircraft grade aluminum
- Precision designed for factory spec. fit.