I sell a custom project of mine, I upgraded and printed everything myself, however I do not have much use for a short hpa gun
Upgrade list:
Mapple leaf barrel
4UAD bucking
3D printed rotary hopup
Anti freeze AA Piston head
Springs for nozzle, recoil and valve
Cow cow hammer set + auto sear
Cow cow lightweight blowback
AA adjustable trigger
Sights w/ rmr adapter
Docter Rmr
Lightweight TTI mag with HPA adapter
3d printed MP5 lower
3d printed tec-09 outer barrel
3d printed mag wellย