What choke and constriction would work good in my Rem. 870 SM 26" barrel with Win. HV 5s. or 6s.. I currently have a Jelly Head 660 and it performs very well with Hevi 7s. but I took a shot with some 31/2 2oz. HV 6s. and was not impressed. They only went 77 in the 10" at 40. The POI was left of what my Hevi's where but I measured the core best I could. I was out of time and plan on trying them again with the Jelly Head and my RSF. The RSF in the same gun was in the high 80's with Rem. 3" 5s a few years ago before I swapped to Hevi. I was hoping for a 100 or better with the HV 6s. I have enough Hevi's to do me this season but next year I will be shooting lead so I have time to experiment with different chokes. Just thought I might get some opinions.