G&G PRK9 AEG SMG Airsoft Rifle

G&G PRK9 AEG SMG Airsoft Rifle 1/1 Scale High Power Assembled Electric Powered Airsoft Guns AEG G&G 9mm style ARs Airsofts Rifle Semi/ 3rd Burst/ Fully Automatic Shooting Mode Metal Receiver & Top Cover Metal RIS System Handguard 70mm Metal Outer Barrel Fixed Front & Removeable Rear Sight Polymer Pistol Grip Rear 20mm Picatinny Rail Section for the Adaption of Compatible buffer tubes to mount different Stocks (Not Include Stock) 40 Rounds Loading Capacity PRK-9 Magazine ( With Dummy Cartridges inside the Magazine ) Metal Selector, Trigger, Magazine Release & Charging Handle Adjustable Hop-Up System Electronic Trigger Unit (ETU) with programmable mosfet 8mm ball bearing Gearbox