I recently ran across the older smooth bore for a wall hanger and display piece. The artifact is percussion with a single wedding band octagon transition to round designed barrel. The stock is of half model and features some working around the relief areas of the cheek rest. Some of the original...

Can anyone help me figure out whether my 12 guage is bored for 3" shells? It's a single shot break action "Crescent Certified" shotgun. It appears there is a "rib" and that point IS 3" from the end where you load the shell. There are no markings that state size shell it is chambered for. Any...