I am getting leaking from grip frame / valve is there supposed to be a oring or seal at 12gram piercer? Also can someone show me take some pics what seals the frame from the valve?
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Yes, there should be a seal on the pierce pin. I have a Gen 2, and originally is was a teflon washer, but it proved to be too stiff to make a good seal. I replaced it with a CCI Phantom cup seal that I trimmed to fit.
What does your valve look like? There should be a brass tube that goes between the valve and frame with o-rings to seal. Are you missing that piece?-
Yes I am missing that! Can anyone give me any measurements on the tube or post a pic what it looks like ? Or dose anyone has spares
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Transfer Port dimensions can be found here: https://www.mcarterbrown.com/forum/p...o-7-schematics
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This is the valve and internals any advice would be appreciated. I do have a phantom as well .I could maybe borrow parts from?Attached FilesComment
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What dose this part do and where should it be? I was told it should be where the air transfer hole is to the valve from the grip frame? If anyone has any advice on me rebuilding this marker please share your thoughts ? or mods you may have made I would love to mod the marker to under cocking pump handle ?Attached FilesComment
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For the pierce pin seat, you can use a 009-90 oring as a pierce pin seat. I've been using 009-90 Urethanes on mine for a minute and had good luck.
AS568-009 UC90 Cast Urethane O-Rings 90 Duro Disogrin 9251 TODI
AS568-009 B90 (NBR) Buna-N Nitrile 90 Duro O-Ring
Some phantom parts work, Cup seal, Cup, springs, Hammer, Trigger Springs are all stock phantom parts.
The Bolt, TPC and I believe, powe tube are modified phantom parts.
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Have a lot of retro 7 users messed with the stock spring set for some different reasons? Also is there anyone here that could help me 3d print the magic nipple and the part that seals air from grip frame to the valve by any chance ?Comment
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