Best left to a gunsmith
Best to ask a gunsmith for help.
Ask a gunsmith for help
take it to a gunsmith to insure disassembly is done right.
1911
Go to this website, http://stevespages.com/page7b.htm and scroll down to Colt .25 or Colt .25 hammerless and it will give you the manuals with all the instructions on how to disassemble.
@1914
100-800 USD
@ 1972
Follow the instructions in the owner's manual.
your colt 25 cal semi-auto was made in 1972.
A Colt 1908 hammerless .25 with that serial number was made in 1914.