Syracuse guns on heavy frames are known to have been rechambered to eight gauge. Be sure to measure the bores. If the bore is not nominal eight gauge dimension to the end, it probably started life as a ten gauge. I believe Brophy made the statement that there are no Syracuse eight gauges. I don't know how he reached that conclusion.
Interesting. The only Smith 8 gauge I have seen was a number of years ago at Scheels in Lincoln Nebraska. Unfortunately I didn't have the opportunity to examine it closely.
By the way what was involved in converting 10 gauge guns to 8 gauge? I would think a simple rechambering would not be enough although the barrels seem thick enough to have plenty of metal to accommodate the 8 gauge chambers.
