A lot of 32" barrels were either trap guns or duck or goose guns. If yours came from the factory with 3" chambers it would have a stamp on the barrel flats stating so. If it was a "Long Range" or "Wild Fowl" it would say so on the lug when viewed from the bottom. It is circa 1924, the first year that they came out with the "Long Range, "Wild Fowl" gun. They (Hunter Arms) stated that the killing range was from 70-85 yards and is capable of killing at greater ranges. Would this sellers name be Mike from Pa.?