30-06
With the serial number provided,your springfield model 1898 krag,was made in the year 1899.
All U.S. army springfield rifles were chambered in 30-06 caliber.
your rifle was made in 1940
probably 30/06 unless the barrel was changed.............
1934-1935 They were on limited production.
Your model 1898 krag was made by springfield armory in 1899.
Are you sure it says ARMORY and not ARMS?
Your springfield armory model 1903 springfield rifle was made in 1932.
Your Springfield armory made M-1 Garand with a serial number of 5,449,068 was produced in the year 1954.
Your springfield armory made M-1 Garand with serial number 5,843,454 was produced in the year 1955.
Serial # N5102889 Made
your springfield 1911 was made in 1914