A good start would be to read the owner's manual. If you do not have the owner's manual, go the the link below marked RAMLINE. It will take you to an on-line owner's manual for the Exactor pistol. Print and keep a copy.
Which one?
take apart the whole gun
Ask a gunsmith for help
Ask a gunsmith for help or ask the maker for a manual
Best left to a gunsmith
Take it to a gunsmith and ask for help
Can't be answered correctly without knowing who made it.
go to: forum.m1911.org and ask your question
You can get a manual at S&W's website for free.
I lost owner's manual You need to check the owner's manual.
Look in the owner's manual. You can get one for free from S&W.
To take apart a Chi straightener first make sure it is off and unplugged. Use a putty knife to remove the plastic Chi cover by inserting the edge of the knife under the plastic and push it up. Remove the screws under the plastic piece. Pull apart the two halves.