This Sear Spring will fit and function perfect in any Springfield 45-70 as well as 50-70 Trapdoors. If you are a shooter they are a necessity to have as a spare.
Springfield Sear Spring for Model 1873-1889 45-70 Trapdoor. They will fit all Models including 1873, 1877, 1878, 1879, 1884, 1888 Springfield Carbines, Rifles and Cadets. They will also fit and function great in Model 1865 to 1870, 50-70 Cal. rifles.