Will come with everything pictured I have an outer and inner barrel I will include but when it's put together it's kinda Janky idk could be the way I put it on. The gearbox works great and it has an upgraded high torque motor to handle lipos. Wanting to swap for an hpa regulator and line. Upper and lower reciver are in brand new condition. Last time I chronoed it, it was shooting 410 fps. And yes it has the programable fcu. Hmu with your offers! (Buyer pays shipping)