09-13-2019, 06:49 PM
If it were me, I'd bed the barrel, and place the shims on the outside of the shoulder of the extension. If at all possible, I would stray from this type of union. I've never liked shims in this circumstance, though thousands of fellow builders have used them to great effect. Good luck.
Nothing kills the incentive of men faster than a healthy sense of entitlement. Nothing kills entitlement faster than a healthy sense of achievement.

