When I talked to Mike at IC he recommend.
Hevi 13 6s
Winchester Double Xs 5s
Mag Blends
He said some people have tried the Feds and have had great experinces.
Here is what I have tried
Winchester double Xs5
98 @ 40 in 10
Fed HW with the fcw 7s
107 @ 40 in 10
Fed Turkey Thugs 5s
71 @ 40 in 10
I am going to polish my barrel this weekend and try everything again and see what happens.I will be really happy if I can get the Winchester double Xs into 140-150 range.