Shot 3 in. LB 5 & 6 and got a very good even pattern at 40 with LB #6. The #5 had more holes in pattern than I liked. The #6 did 208 in 10in spread extremely even. I would like the bigger shot size of #5 for the energy provided with longer shot but the 6 pattern was significantly better.
May try some #4 next year, but for now it's LB 6.