It is the default shotgun for the Tank. As a default primary weapon, it's relatively strong but it remains mediocre compared to other shotguns. Therefore, it must be quickly replaced.
Gallery
Stats.
The Defriender being fired.
Trivia
It is based on the Benelli M3.
This gun shares the same name as the Custom version of the R870 in SFH3.
Its name is actually a parody of the shotguns original nickname "Defender"==>"Defriender"