Parts gun. You have a conversion unit on top of a frame that is beyond the Ace and Service Ace sn's
You look it up in reference books or on the Colt web site.
You have a conversion unit on top of a frame that is outside the sn range of the Ace.
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.
1924
Need caliber to answer.
Rifle or pistol?
Proofhouse.com has Colt sn data.
Proofhouse.com has Colt sn data.