That Colt was made in 1943 by Remington Rand under cotract to Colt Mfg. Co.
Model 1911a1
Your colt 1911a1 was made by colt in 1945.
government model 70 45 cal
serial numbers for the 1911A1 government issue only go up to 2693613
Serial number
That is not a serial no of a Remington 1911A1 they stopped in 1945 with 2465139.
1945
In 1918
About 1943.
A serial number that high could only mean a government model 1911 or 1911A1 .45 cal. that was made in 1943 during WWII(1279699 to 1363699) by Remington Rand.
made about 1917
It was manufactured in 1944.