[ShaneBower]

is a 20 ga with slugs a good choice for bear

 

[turkey4life]

if its a well placed shot its plenty good anough for bear.

 

[Lewellen]

Using Brenneke or solid copper slugs, which ever shoot best in your gun, the 20 gauge is a 40 yard bear gun.

 

[hunt/fish365]

There is a long lengthy thread in the bear hunting forum on the very same subject.