Good high quality VID for popping off your Top End & actually Getting It Back On Again.
Both methods are demonstrated. Pick one or the other. It's Personal Preference. Both are good. Either will work.
If your 1911 has a FLGR (full length guide rod)...what can I say except WHY? "get rid of the doggone useless thang" ~ 'cause it ain't doing beans and it ain't guidin' nuthin' except possibly it's misguiding you in your imagination.