引用:
原帖由 wokika 於 7/1/07 02:41 發表
what thing i need to buy in first step....
follow this picture...
Xystema M120 spring or other brand with same kind of power ($80)
1st gear set (around $400)
GnP Piston ($100)
Cylinder, Piston head, Air Nozzle, Spring Guide... etc...