Manufactured late 1918
1916
made 1910
Made in 1914
Manufactured 1915
1907-1929, 100-375 USD
1916 - pre-date coding.
Remington firearms are dated from a 2 or 3 LETTER code stamped on the left side of the barrel, very close to the frame. The Remington Collector Society webpage has the table of letters and years.
10a+a
For the A model it is 1A-10A-2-4JG-1 and for the C model it is 1A-10C-2-4JG-1
10a − 3 − 4a
to solve this expression: 10a-4(a+2) -> 10a-4(a)-4(2) -> 10a-4a-8 -> 6a-8
16