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Thread: FWB Sport breech seal.

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  1. #1
    Join Date
    Mar 2008
    Location
    Rochdale
    Posts
    2,101

    FWB Sport breech seal.

    Hi,

    Does anybody know the size of the breech seal for the Sport please?
    I have tried 2 metric sizes (11mm i/d x 2.5mm c/s and 11mm x 3mm) to no avail and I can't find a 2.75mm c/s so I'm coming to a dead end.
    It wouldn't be an imperial measurement would it?

    Thanks in anticipation.

    Gary.

  2. #2
    Join Date
    Aug 2000
    Location
    Crawley, West Sussex, UK
    Posts
    4,664
    from memory it's a 10 x 3, but I'll check in a few mins after brekkers.

    Vic T

  3. #3
    Join Date
    Aug 2000
    Location
    Crawley, West Sussex, UK
    Posts
    4,664
    The pack in the Garage says : Nitrile 70 Rubber O Rings, 3 x 10mm.

    However, I don't know if they are exact replacements, as although I've been using them for years, they might be the wrong material and hardness rating, but they certainly work on a temporary basis.

    HTH, Vic T

  4. #4
    Join Date
    Mar 2008
    Location
    Rochdale
    Posts
    2,101
    Quote Originally Posted by Vic Thompson View Post
    The pack in the Garage says : Nitrile 70 Rubber O Rings, 3 x 10mm.

    However, I don't know if they are exact replacements, as although I've been using them for years, they might be the wrong material and hardness rating, but they certainly work on a temporary basis.

    HTH, Vic T
    Hi Vic,

    You sent me a couple last year when I bought some bits from you. They are a good fit but the first one has spread out a little over 6 months so I'm looking for replacements before the second one wears out. If I buy 20 they should last around 10 years which is fine by me.
    VTR 70 are widely available in that size so I shall get some ordered.
    When I measured the recess I read it as 11mm i/d x16mm o/d so that was the size I ordered but the fit was not tight enough so I ordered 11mm x 17 mm which were to tight, I never thought to go down to 10mm.
    By the way since you worked on my Sport it's been treated to a re-blue and the plastic trigger has been replaced with a Maccari one which cured the safety catch issue. It's looking georgious now as well as shooting spot on.

    Many thanks,
    Gary.

  5. #5
    Join Date
    Jun 2008
    Location
    attleborough
    Posts
    1,000
    Chambers have them in stock

  6. #6
    Join Date
    Mar 2008
    Location
    Rochdale
    Posts
    2,101
    Quote Originally Posted by smallholder1 View Post
    Chambers have them in stock
    I too have seen them for sale from Chambers but at over £7 with postage I would rather buy 25 for a fiver now I've got the correct size from Vic.
    Thanks for the heads up though.

    Regards,
    Gary.

  7. #7
    Join Date
    Jun 2012
    Location
    North Wales
    Posts
    3,176
    Quote Originally Posted by Vic Thompson View Post
    from memory it's a 10 x 3, but I'll check in a few mins after brekkers.

    Vic T
    As above for me.

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