1923 - will be date code stamped, see related links
Need the serial number to answer.
1931
1913
1919
1920
You cannot the serial number is required.
The serial number 4279990 is a partial serial number for this rifle. To determine the date the rifle was manufactured you need to provide a complete serial number that begins with letters.
Manufactured 1914
Manufactured 1909
Manufactured 1916
1920
In 1944 by Remington Rand