***Upgraded part list*** *Jefftron Leviathan programmable mosfet *13:1 high speed Rocket CNC steel gears *high torque long type motor Rocket *upgraded 120 spring *CYMA piston and piston head *300mm 6.03 Prometheus tight bore barrel *(2) 3000mah 7.4v Titan batteries *(1) 1500rd self winding drum mag *(1) 90 mid cap *(3) 240 rd hi caps This gun is in excellent condition, shoots extremely well. Very fun weapon to use on the field!