upgrades. neo motor 22tpa Shs pinion new piston Aluminum piston head #14 oring Sorbo full cylinder polished to mirror finish full steel gear set tappet sanded for better seal jg nozzle (better seal on cylinder head Lonex hop up bucking flat hopped mnub Shs bushings dean's or xt60s your choice and I belive a ball bering spring guide missing one side selector shoots lazers and scope is zeroed ! comes with 2 mags price is obo trades may be accepted