SHS Piston/head SHS Cylinder/head JG upgraded gears JG Blue torque motor ZCI M110 spring TNT AEG 6.03mm 363mm steel inner barrel Maple Leaf bucking H-nub Deans connectors 420FPS AoE corrected $325 for gun alone $85 for optic alone Trade for MK46 or Marui NGRS stuff maybe other.