I've got an old
870 Special Purpose with the 21" RemChoke barrel and Bradley bead sights. By stacking those beads, it will put a 2 3/4" Super-X slug on a soft drink can at 50 yards, more often than not.
A long ride in law enforcement has provided me with ample opportunity to see what slugs & 00 buck do in an anti-personnel role. My personal and duty shotguns are always equipped with a but-cuff of slugs and if I think I even
might need them, they are so loaded. You can bet your best hat that if was anywhere that 'bear trouble' might occur, my scattergun would be stoked with as many slugs as it will hold.