Posted by MarketHunter on May 15, 2008, 3:33 am, in reply to "Little Jewell"
Could be chambered for the .44 XL which was an all brass shot cartridge. I've got a little falling block Hopkins & Allen that's chambered for those particular cartriges and I know of a hammer double that's for them as well.
They made a 2 inch .410 years ago, that could be the shell as well.