Several years back I bought a well-used early model all stainless CABD. And will not part with it. I just like it for the right steel and right size and right weight and right barrel length....but I'm preaching to the choir here, I suspect.
Anyway, it had issues and all but one are covered by the post from lowercase.
The pin above the trigger would move out during a range session. A bit of gentle peening convinced it to stay in place.
“There’s a rattle in my glove box,
A Federal twelve-gauge slug.” – Adam Carroll in song Porter Wagoner