What year was your Springfield Armory Model 1903 serial number 1386503 manufactured?

The Springfield Armory Model 1903 with the serial number 1,386,503 was manufactured in 1918. This places it in the time frame when the Model 1903 was actively produced during World War I. For precise dating, you would typically consult Springfield Armory production records or reference guides specific to the Model 1903.