I guess you could ask Mr. B. what tests and criteria they used.

Sounds like Federal rediscovered some things bird hunters have known for centuries, but no one can explain. Like, how does a 28 manage to kill so much better than it should, why is the 16 the best upland game gun, and why do people hunt with .410s? Some things just cannot be explained.

Caution: Hunting and fishing stories told here. Protective footgear may be required.