400.00 Ithaca model 51 featherlight 12 gauge magnum (final price drop) Brandon May 3, 2024 - 9:07 AM Gunguru1991 I have an Ithaca model 51 featherlight 12 gauge magnum in great condition, no major imperfections and functions flawlessly. Comes with a 2-3/4" as well as 3" chambered barrels (both have vent rib and both are fixed full chokes ).