I got a chance to go shoot my new setup last night. I put a couple 3 1/2" Winchester Supremes down my new Indian Creek first to see what they'd do. I wasn't impressed. But then I let one of the Hevi-13 7's go. To say I was shocked would be an understatement. I've never shot anything like it! Because of camera issues I don't have pattern pics, but at 50 yards I had 133 pellets in 10". At 40 it is purely devastating.
I was a bit skeptical of the setup just due to the cost, but I'll be buying more of those shells. Give it a try!
Mossberg 535 thumbhole
Indian Creek .660 choke
Hevi-13 3" 2oz #7
rw