RE: 3 inch or 3.5 inch shells
a little thicker pattern ; and a little more distance ; and a loooooooott mor kick. I have had both. the 3 1/2 mossburg 850 I ponds off on an unsuspecting fellow. a total peace of junk.[:'(].
the 3" BPSit all it takes to get the job done.getting them in close is the name of the game anyway.[8D]