Win 100 gas problems

Discussion in 'Technical Questions & Information' started by 30calpal, Apr 11, 2012.

  1. 30calpal

    30calpal New Member

    Joined:
    Jan 23, 2012
    Messages:
    7
    Location:
    central Alabama
    So my Win 100's piston is corroded awful! I'm pretty sure I'm getting gas blow-by cause it fails to eject sometime. The cyl and the piston are steel and I think, hard chromed. I think I would like the piston to be 416 S.S. Would 416 hold up to heat, pressure and pounding? Would it have to be heat treated? Could the cyl also be 416 S.S. ? Or should it be a different material?
    If I have a piston made of 416, how close tolerance should the piston head be to the I.D. bore of the cyl? Don't want the cyl to 'bite' the piston after a few shots. Metallurgy and machining experience a plus here. Thanks.
  2. gunplumber

    gunplumber New Member

    Joined:
    Apr 14, 2010
    Messages:
    370
    Location:
    Oklahoma
  3. 30calpal

    30calpal New Member

    Joined:
    Jan 23, 2012
    Messages:
    7
    Location:
    central Alabama
    Thanks Gunplumber, I know about the replacement parts from Brownells and Nu-Line. My SIL is VP of a machine /fab company and I can get 'custom' parts made. I was hoping for answers more directly answering the metallurgy questions. But, thanks anyway.
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