[NIMROD]

I have a big air leak from barrel and the bolt moves back and forth by it self slowly. All I did was change all the o-rings and
put in a new black magic cup seal .I'm thinking it's my solenoid seal that goes between the gun and the solenoid but I don't much about paintball guns.

[Have Blue]

Take out the cup seal and put a bit of oil on it. Cup seals require a little bit of lubrication to seal proberly.

I just worked on a gun that had a weird barrel leak - different cup seals did nothing to fix it, nor did new o-rings. Turned out replacing the valve body took care of it! (I'm guessing the front o-ring groove was cut just a hair too deep).

[NIMROD]

I'll try that this week end . I'll let you know how it works.

Thank you!!

[NIMROD]

That's all it needed. Got it working fine Thanks for the help