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Old 05-26-2017, 04:27 PM   #1 (permalink)
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Retro 7 Leak

I acquired a Retro 7 but when I try to air it up, it leaks right out of the body. I disassembled and it looks like all o-rings are in good shape. Any idea what it might be?

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Old 05-26-2017, 04:50 PM   #2 (permalink)
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Have you checked the Pierce pin seal? I think the only spots it could leak like that are at the Pierce pin seal or the transfer block o-rings.
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Old 05-26-2017, 05:09 PM   #3 (permalink)
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What a coincidence I was just watching your video on it.

Compared to the video it seems I might be missing an oring.

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Old 05-26-2017, 05:16 PM   #4 (permalink)
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No you are missing a nipple.
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Old 05-26-2017, 05:24 PM   #5 (permalink)
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Well that sucks.

Is there a part that can be used in place of it?

Last edited by Cobbon; 05-26-2017 at 05:29 PM.
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Old 05-26-2017, 05:39 PM   #6 (permalink)
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A missing nipple won't make the gun leak, it just allows more liquid CO2 to enter the valve. The nipples help with consistency and efficiency, but are not sealing parts. It looks like your entire pierce pin seal is missing though? I hear people are getting good results with slightly modified CCI seals, so that's what I'd suggest.

In place of the nipple you can use a flat plastic disc with notches filed in...that ensures you restrict flow without sealing the transfer port up. We made them so they'd sit against the port when the gun was installed, so you'd want to get proper height on it. Maybe someone here can take a quick height measurement for you.
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Old 05-26-2017, 06:07 PM   #7 (permalink)
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I see. Would the seal from this kit work?

ASP Online Store: CCI Phantom Spring and Seal Kit
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Old 05-26-2017, 07:12 PM   #8 (permalink)
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For the pierce pin seal you will need to modify a CCI Cup seal. Works wonders. The inside hole needs to be drilled out and the outside diameter needs to be filed down slightly
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Old 05-26-2017, 09:02 PM   #9 (permalink)
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Thank you for the info.

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