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Old 2nd January 2012, 07:01 PM
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Tench Tench is offline
WHFTA World Champion 2016.
Join Date: Sep 2009
Location: derby
Posts: 1,429

Hi David, what i do with these is to very lightly oil the o ring wipe it almost dry then close the breech while trapping a ciggy paper between the oring and shuttle, you can then tug the ciggy paper gently to see if it is trapped evenly at the front back and sides, then open the breech, even sealing pressure will leave a consistent width imprint on the paper. If the paper can be moved when trapped you need the washer to lift the port up. A little bit more sealing pressure can be found by moving the barrel forward a few thou but this does reduce the positiveness of the breech lock.

Cheers Simon.
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