I didn't talk to anyone about the gun. The bore dimensions were posted on this thread. It was easy to come on the 12 gauge conclusion just from the information provided. There aren't any ten gauge guns out there with .730 some bores. I'm not trashing anyone's gun, just giving good information from the evidence I have to work with. I would love to own the gun just the way it is. I will not contact the owner, I will let him contact me if he wishes to.