The serial number including the letter,or letters preceding the number must be included in your question to get an answer.
Between 1962 and current date.
Your remington model 700 which has a letter A prefix to the serial number,indicates that it was made in 1980.
The C prefix to your serial number indicates that your remington model 700 was made in either 1982,or 2008.
See related links for date code stamp information on the Remington Society of America.
Check the manufactured date link on the Remington Society of America for details.
The C prefix dates your Remington model 700 to the year 1982.
Only the 700 VLS is made in 6mm
You can't get type (possibly but I doubt it, even from Remington) for a date see related links.
The Letter actually give you a 5 year window, but the date code on the barrel gives you month and year ;) Check related links for information on the Remington Society of America for the details.
Your remington model 700 was made in 1982 with the letter C prefix to the serial number.
Remington.com
Ilion, NY
was it made in the custom shop at Remington firearms has heavy barrel and Monte Carlo stock