Hi Richard.
One day, one of these barrels will come my way. LOL
The slightly restricted area the last few inches towards the breech is interesting. I just wonder what their thinking was in regards to ballistics. Hmmm. The more I seem to learn about these barrels, the more confused I become. LOL !!

If you get a chance, please post some photos.
The re-stocking should make for an interesting project. For sure, they have to be the most beautiful looking barrels I've ever seen. Imagine the man hours that went into making just one barrel. Boggles the mind. Again, congrats on receiving them.
Rick