Yes and no. The yes comes from simple fact, if the projectile can move down the barrel, it can be fired. I've seen .221 Fireballs fired out of a 7TCU barrel. The no is because you cannot do it well....
yes if you are talking about a vent rib feild barrel
the barrel should be marked for the choke.
either full, mod, or imp cyl. you really want to
use imp cyl but can fire a slug thru a mod...
Yes. Hollow base deer slugs are made slightly undersized, and will safety pass thru most chokes. A few makers of variable chokes specifically warn NOT to use slugs with their chokes installed. It may...
If you are speaking of modern slugs even with a black powder charge behind it I would not, many of the slugs have a hollowed out conical design made to force the sides against the barrel or rifling,...