Originally Posted by Tench
Some old wives tales there! The BSA barrels are all hammer forged from a drilled solid blank, I don't know where this tale of them being sleeved came from?
I think it's to do with the ring that whatever finishes them makes... i think it's assumed it's sleeving.
from memory it doesn't seem the same if the end is refinished... but Phil would be the person to confirm that as he's done the one's i've seen.