Jing Gong M4 S-System Electric Airsoft Gun Full Metal FPS-410
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Manufactured by Jing Gong!
Comes with a Factory Pre-Installed MOSFET High Performance Chip!
MOSFET Chip Helps You Get the Most Out of Your Gun, like Power and Rate of Fire!
True 1:1 Scale, Modeled After the M4 Assault Rifle!
Electric Powered (A