Quote Originally Posted by Dornfelderliebe View Post
Carbon fibre tube is available on the bay in 12 inch lengths. If the ID of the tube matched the OD of the barrel, you might have a sleeve.
I have a link on fleabay to a 16mm inside diameter length of steel tube... the outside diameter of a BSA barrel for a Meteor is I think 15.5mm. I cant remember though what glue I was advised to use and it was on here.

Having seen your polished version though that could well be an option