one thing a C-B shooter learns really quick- a Colt open tops look great, but aren't much as shooters. The Remington '58, now that's a shooter- stronger, reliable- the Rem runs rings around the open tops.
The Colt with it's large cylinder arbor is just as strong if not stronger than a Remington. My 60 Colt will out shoot by a very narrow margin my newest 58 Remington. My oldest 58 will outshoot it by a very narrow margin but you really have to bench them to tell the difference.