Best left to a gunsmith
your colt model 1911 was made by colt in 1913.
The colt 1911 fires .45ACP ammunition.
Your colt 1911 was made in 1924.
The Colt 1911 was designed in 1897 and adopted by the US Army in 1911.
By studying the books that have been written on Colt 1911's
With the serial number that you have provided,your Colt Model 1911 was made by Colt in the year 1918.
Many have, primarily Colt.
Your Colt 1911 national match was made in 1963.
Your colt 1911 was made for the U S GOVERMENT in 1919.
The Colt 1911 government model with that serial number was made in 1919,
If your Colt is the 1911 military pistol, it was made in 1915.