your trapdoor was made in 1883
Your springfield model 1873 trapdoor was made at springfield armory in the year 1883.
With the serial number that you provided,your Springfield model trapdoor rifle was made by Springfield armory in 1883.
your trapdoor was made in 1874
your springfield trapdoor rifle was made in 1880,with the serial number that you provided.
With the serial number that you provided,your Springfield Trapdoor Model was made in the year 1884.
made 1874
With the serial number that you supplied,your Springfield model 1873 Trapdoor rifle was made in the year 1884.
Your serial number indicates that your Springfield trapdoor model rifle was made in the year 1887.
about 1881
made 1884
Your model 1898 krag was made by springfield armory in 1899.
your springfield rifle was made in 1919.