1899 for a Colt lightning .22 mag rifle.
No serial number provided.
Colt lightning .22 rifle with that serial number was produced in 1903
An 1877 Colt lightning double action revolver with that serial number would be 110 years old, made in 1902.
1907
The Colt 1877 lightning with that serial number was manufactured in 1888,about 121 years ago.
1897
1904
1889
1894
about 1902
1884
1885