I finally got into the main valve on my Sig M17 pellet gun as shown below. When I reassembled it and inserted the mag, all the air leaked out mostly thru the back end of the valve. I suspect the white "plastic" seal shown below. Can anyone tell me where to get a replacement for this seal??? Many Thanks!
Leaking Sig P-320 M17
- Thread starter jpbpe
- Start date
The number one way would be to make one. You might be able to clean the old one up with a piece of fine grit sandpaper. Only other suggestion, and nobody likes it, is to send it back to sig and see if they'll fix or replace.
One question of my own, though, what made you think it was leaking from the main valve? Mine started leaking from the intermediate valve on the magazine. That was a pain to try and seal and sig just sent me a new one. Still haven't gotten the old one to work.
One question of my own, though, what made you think it was leaking from the main valve? Mine started leaking from the intermediate valve on the magazine. That was a pain to try and seal and sig just sent me a new one. Still haven't gotten the old one to work.
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Might try Grainger or McMaster Carr.
They have ALL kinds of off the wall stuff. Or maybe something close that can be modified to fit.
Mike
They have ALL kinds of off the wall stuff. Or maybe something close that can be modified to fit.
Mike
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Thanks for your replies. I worked on it again today but this time I took the gun fully apart and removed the main valve. I did cleanup the seal I thought was the problem and got the valve together good and tight. THEN when I reassembled and put the mag/co2 back, in the leak appeared to be coming from the co2 inlet on the bottom of the valve, ie, between the co2 cartridge and the main valve. I don't own a tool(socket) I can use to get to the suspected seal. See parts 29, 30, 31 below. Can anyone tell me the correct size socket needed to remove part no 29 joint nozzle??? Thanks
View attachment M17-Exploded-diagram_new.pdf
View attachment M17-Exploded-diagram_new.pdf
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I would try starting with a 5mm deepwall. Been my experience so far that the things are assembled using metric parts.
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