This Springfield Armory manufactured rear trigger guard screw is for the American model 1896 / 1898 Krag Jorgenson bolt action rifle and is in very good condition exhibiting a brownish gray patina with light slot wear. (file photo)
Note: Springfield Armory Krag Jorgenson bolt action firearms with the following models and serial numbers have been observed with this part:
1896:
1898: 253795