Rhino .660 in my 11-87 with Nitro 4x5x7 HeviShot - devastating. First time out with this combo I doubled on Rios in central TX - 1 shot, 2 birds at at a lasered 45yds.
Moving away from the 12ga, and have my heart set on a 20ga rig for next season. Plan on using Fed HW #7s or Nitro #7 HeviShot and a Rhino .575