Very Rare Winchester 1866 1st Model Flatside Saddle Ring Carbine. Serial number 14390. Very early gun made in 1866. Gun is all matching with the frame, stock, and butt plate all numbered. Very good patinaed receiver. Barrel has a dark gray patina with scattered pitting throughout. Barrel address is still visible. Stock has a rifle butt plate which was standard for this period of production....