That is a very late Remington Hammerless Double. It is in the last thousand made during the clean-up in 1910 when Remington sold off their entire inventory of break-action guns to Norvell-Shapleigh Hardware of St Louis, and went into the future with their John M. Browning designed Autoloading Shotgun and their John D. Pederson designed Repeating Shotgun.

Are those Ordnance Steel barrels?