Umarex M4 AEG Complete Gearbox w/ Microswitch by ARES
Features:
- Quick change spring guide
- Reinforced design
- Microswitch trigger improves trigger response
- Metal alloy construction
- High grade wiring
- Wired to the front
Compatibility: Fits in most M4/M16 receivers and other Ver. 2 Airsoft AEGs
Material: Metal Alloy
Manufacturer: Umarex/ARES