I use Federal blue box, 3", 1 1/8 oz, 1550 fps, #2's up until mid December pretty much, then switch to BB's, as the feathers and down thicken up.
Tried BBB's a few times last season, and they blew some geese out of the sky. I bought a case for this season. I'll see if that size makes a diff.

Last edited by splattermatic; 08/22/15.