This is a complete original 1873 dated breech block. The markings are clear, firing pin is free and in excellent condition. It will fit and function perfect in any Springfield 45-70 Trapdoor Carbine, Rifle or Cadet.
Springfield Complete Breech Block for Model 1873 – 1888 45-70 Trapdoor. It will fit all Models including 1873, 1877, 1878, 1879, 1884, & 1888.