Over the years, I have managed to corner a representative stable of 3-inch Americana doubles:
An HE Super Fox, a Long Range Smith, Ithaca 2e, and lastly a Parker Bros. gun recently acquired.
Though both early and later-Parker 2 7/8 in guns or Remington-Parkers-are rare. They were offered,
but LC Smith and Fox offered specialty models in that chambering. Later Fox offered their Sterlingworth
waterfowl model using HE frames and barrels. With new regulations and the Depression, the demand slowed considerably
and duck - goose hunters used what they already owned. The Heavy Duck M-12s are a bit newer, and can handle the non-toxic modern shot shells-within reason.
My Ithaca will probably get a restricted diet, avoiding pressures that would be unhealthy.