The ones on the left side of the barrel by receiver are the date of manufacture code see related links for information on the Remington Society of America.
Remington
remington
Remington
700Remington cal.257Roberts
Remington was one.
Madison, North Carolina
http://www.remingtonsociety.com/forums Remington Society of America ( forums )
I have found the quality of Remington arms to be very good quality.I own three Remington rifles myself.
Which ones? The barrel? That's a date code. Check Remington Society of America - manufactured date link.
Only Remington knows.
go to: proofhouse.com & look up Remington weapons
Ilion, New York, USA