These will fit and function perfect in any Springfield 45-70 as well as 50-70 Trapdoors. If you are a shooter they are great to have as a spare.

Springfield Firing Pin Screw for Model 1873-1889 45-70 Trapdoor. Firing pin Screw 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 1868 and 1870 50-70 Cal. rifles.