What length of shot shells?

[AbundantEntropy]

For a friend will this take 2 3/4 and 3 or what?

 

[Okie4570]

.410 shells will be 2 1/2" or 3". I'm not familiar with which chamber it has.

 

[zghorner]

3", full choke

 

[Calamity Jake]

^^^^^^^ If this is true then shoot the 3"