Re: O ring sizes …do we have a chart Home › Forum › Ask A Member › O ring sizes …do we have a chart › Re: O ring sizes …do we have a chart BuccaneerUS Member - 1 Year (includes $3 online payment fee)Replies: 7495Topics: 1072 February 20, 2018 at 2:40 am #71361 Size chart- Attachments: Prepare to be boarded!