Check this table for the answer:
http://www.remingtonsociety.com/rsa/questions/barrelcodes
Your Remington model 1903 was made in the year 1941,with the serial number that you have provided.
Your remington model 700 which has a letter A prefix to the serial number,indicates that it was made in 1980.
With the serial number that you provided,your Remington Rand made 1911-A1 was made in the year 1945.
1918
1920
1987
1909
1926
Made 1909 to 1936
1910
Impossilbe to answer without a serial number.
The C prefix to your serial number indicates that your remington model 700 was made in either 1982,or 2008.