Mine do on the sides, only slightly on the bottom.
Modern swamped barels are very exagerated and it only takes a little wood removal to be very noticable, espically with the quick flare out at the muzzle.
castoff , If you can get your hands on catalog 16 TOTW pg119 shows a close up of the muzzle of a Isaac Haines with no muzzle cap.It shows the wood holding the tapper very[url] nicely.underside[/url] and side view.