You will have to call Colt
Colt lightning .22 rifle with that serial number was produced in 1903
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No way to answer without the caliber.
Colt Lightning Magazine Small Frame Rifle Gun Specifics: Range of serial numbers: 1 – 89,900 Date of manufacture: 1887 to 1904
Made in 1878 located at Colt Mfg Co. in Hartford,CT
1884-1887 depending on exact model
1902 for the .22rf lightning rifle and 1893 for .32,.38 & .44 cal lightning rifle.