Hi, recently i have bought myself a Well MP7 which is in dire need of an upgrade; it is clocking (on my home made chrono) 170ish FPS; my attempts at trying to find parts is not going well 
everywhere is sold out
given that; does anyone know where i can find a "Nine Ball Upgrade Set for Marui MP7/Vz61/Mac10 AEG" it seems to be the best solution to upgrade the majority of the parts i need.
failing that can anyone help me find any reasonably priced components; i think i can turn a spring guide and piston head so the key upgrade items i am having most problems with are: 7 Tooth Piston, Cylinder Head and a Spring
i am happy to modify parts so if you know of anything that i could adapt; please speak up
as far as springs go do i need a specific AEP spring or can i use any spring that the gearbox can safely be fitted?
thanks for your help and time
Tim
everywhere is sold outgiven that; does anyone know where i can find a "Nine Ball Upgrade Set for Marui MP7/Vz61/Mac10 AEG" it seems to be the best solution to upgrade the majority of the parts i need.
failing that can anyone help me find any reasonably priced components; i think i can turn a spring guide and piston head so the key upgrade items i am having most problems with are: 7 Tooth Piston, Cylinder Head and a Spring
i am happy to modify parts so if you know of anything that i could adapt; please speak up
as far as springs go do i need a specific AEP spring or can i use any spring that the gearbox can safely be fitted?
thanks for your help and time
Tim
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