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Old 5th June 2015, 09:39 AM
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Nick G Nick G is offline
Senior Member
Join Date: Nov 2012
Member of: Greyhound/ Purley Chase
Location: coventry
Posts: 180

Originally Posted by matt goodson View Post
Tony put me onto this. Polished tube to reduce wear rate of the O ring.
I have had them in my guns for 2 years, and there is a fellow on the aa owners face book forum who has put thousands of shots through his, and they don't wear.
O rings will wear rapidly, if you haven't got the groove dimensions correct, and that takes a bit of development time
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