Spent some time on the range this evening..
Shot the Hevi 13 #7s with 323 in 10" circle
Winchester LB Xr #6s with 278 in 10" circle
Mag blends with #5#,#6,#7 with 224 in 10" circle
All shots were at 40 yards with 3 1/2 inch shells.
Winchester LB Xr #6s
Mag blends 5,6,7s