While those barrels are beautiful (IMHO), I am glad to say that the barrel on my 37T looks nothing like that. Just to be safe, I have an email in to Ithaca gun technicians asking about whether there is ammo which I should not put through it.
Next question for you shotgun folks. Since it is a full choke, is there a shell loading I could shoot in it to make it disperse the shot more than a full choke normally would? I would like to hunt with it, but I don't want to modify the barrel. So I was hoping different ammo might do the trick. Also, an acquaintance told me that if I dropped a dime in the action and it fell all the way out the muzzle end, it was "shot out" and was no longer a full choke. Fortunately/unfortunately, the gun is in great shape and the dime stopped just short of falling out the business end of the shotgun.
Fly