S&T M4 pistol Challenger line G3 AEG

[Product Details]
・Material: Frame Nylon Fiber / RAS Metal
・Total Length: Approx. mm - mm
・Weight: Approx. g
・Number of magazines included: Standard M4 magazine 340 rounds spring-fed (steel)
・Connector shape: Mini (battery stored in front grip)
・Safety/Semi/Fully automatic
・Variable HOPUP