S&T M4 FF 3.5'' SD Challenger Line G3 AEG BK (MALON engraved)

・Material: Frame Nylon Fiber / RAS Metal
・Total Length: Approx. 570mm - 680mm
・Weight: Approx. 2,115g
・Number of magazines included: Standard M4 magazine 340 rounds spring-fed (steel)
・Connector shape: Mini (battery stored in front grip)
・Safety/Semi/Full auto
・Variable HOPUP
・UFC product warranty included
・1 carton: 5 pieces