E&C EC305 Full Metal M4 CQB RAS II AEG Rifle

E&C EC305 Full Metal M4 CQB RAS II AEG Rifle 1/1 Scale High Power Assembled Electric Powered Airsoft AEG Semi/Fully Automatic Shooting Mode Metal Receiver (Engraved " Marine" Marking) Metal 180mm RAS II Handguard Metal 250mm Outer Barrel With 45mm Flashider Fixed Front / Removeable & Adjustable Rear Sight Polymer Pistol Grip 6 Position Extendable Crane Stock Metal Trigger, Trigger guard, Blot Catch, Magazine Relaese & Charging Handle 300 Rounds Loading Capacity Magazine Recommend to Use 7.4v Lipo Battery (Small Tamiya) Adjustable Hop-Up System 8mm Quick Change Spring Gearbox