I purchased these 28" barrels to fill in a 20 gauge 2 barrel set where the 30" 3" magnums were intact, and the 26" WS1/WS2 had gone MIA.
Regardless of the IC/WS2 factory designations, the unmolested decimal constrictions read .004/.006,"Skeet In/ Skeet Out".
The serial number bares out a mid 1930's build. I think someone had something very specific in mind.

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