This is the metal buttplate 1894 or 1892 Carbine lever action Winchester. It fits pre and post 64 1894 rifles. (The later pre 64 94's came with the flat checkered metal buttplate). It is in the white (not blued). A quick easy way to blue this part is by using Birchwood Casey Perma Blue (T134) or Birchwood Casey Super Blue(T135). The buttplate screws that will fit this are wp57.