Proofhouse.com has Colt sn data.
It would be in 36 caliber or 44 caliber...
It should have the caliber marked on the barrel,such as"38 Colt New Police".
check the butt of your Colt. The serial # does not look right ????
A Colt 1908 hammerless .25 with that serial number was made in 1912
The caliber of this weapon is .45 ACP, or it's full name is .45 Automatic Colt Pistol.
Need caliber to answer.
1924
Rifle or pistol?
the caliber is stamped on the gun.
Proofhouse.com has Colt sn data.
A Colt woodsman .22 with that serial number was produced in late 1941.
A Colt 1908 hammerless .25 with that serial number was made in 1914.