G&D Metal MAX3 Super Smart (ECU) M4 RIS II Rifle PTW / DTW (9557

G&D Metal MAX3 Super Smart (ECU) M4 RIS II Rifle DTW (9557)

- Come with build in ECU board, can programming full auto or 2 to 30 burst
- Include: 120 rds Magazine / Outer barrel / Foregrip
- Similar to PTW design

Programming burst procedure:
Hold the blow release and trigger until there have double signal sound.
Than press the trigger between 2 to 30 times.
e.g.: set 5 burst, after the double singal sound, press trigger 1, 2, 3, 4, 5, than press and HOLD"
After "HOLD", there will have singel signal sound, that means programming finished.