Hey, I just replaced all the o-rings in my retro thinking(well i have had it for 2 years and didn't oil anything once, I think its time for a tune-up) Well now the Reg is choping balls crazy stlye, The problem is it has shoot down, but i can only thing the all the new o-rings are ristricting the air flow...what can i do to fix it?
ReTro Valve is Sputtering
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cgrieves
First lube everything, especially the on/off (don't forget the little 'ring in the on/off bottom- unscrew the on/off assembly to get to it)
My Emag valve did the same and I found that my on/off pin was slightly too long. Basically when releasing the trigger the on/off pin head only came out of the on/off top o-rings slightly therefore restricting flow thtough the on/off. During high fire rates this showed up as velocity dropoff.
It also seems that some retro valves take a long time to break in the o-rings (4000 shots through mine and it's only just starting to get an acceptable trigger pull)

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