hop up prob...need help

[speed]

in my TM m4a1, i put a systemA motor hi speed hi tork and a gearbox2 + a inner barrel 6.04...now the problem is the hop up... it was working before upgrading but now bb's go up and down what ever the way i turn the weel :P. Do somebody got a solution, and i want to buy another one but witch one?? i need it to be fixed before next saturday...

[eV.Viper]

plastic or metal body?

And sometimes the hopup itself is not the problem. Maybe when you changed your innerbarrel you placed the hopup bucking in a wrong position, or even forgot to put it back.

For the hopup (metal body) I'm using the KingArms one
http://www.airsoftparts.ca/store2/in...roducts_id=514

It's working perfectly if you don't forget to lubrificate the 2 orings!

[speed]

for now it is plastik :P but one day ill upgrade it to full metal...lower part r hard to find??

[eV.Viper]

I don't know if you can find some replacement hopup parts for plastic body :/ (unless you buy something used)

[speed]

i ve reopen it ... and everything seem to be in place...hope so :P...waiting for daylight for testing

[speed]

the thing i dont understand is that some bb went up and other went down...like if it was part time working...can it happen???

[eV.Viper]

huh, what bbs are you using?

Maybe they're not good enough and they jam into. Could be the mag too, maybe the spring into is broken.

[Flatlander]

Clean out your inner barrel. Excess grease/oil and dirt can cause your hopup to do some crazy things.