The combos Ray suggests on his website have been extremely productive for me as far as the pattern. The JH .660 and the 3.5/2.25/4x5x7's were business. Had allot of POA/POI issues to the point I couldn't reel it in with adjustable sights. Stores where I live started selling the shells for 8.50-10.00 a shot. Hevi 13 choke/ shot combo solved allot of my problems. They were about 4.00-4.50 a shot at the time so I bought a lifetime supply. Interesting how certain guns are different than others. i have a rem 870/ ventilator .655 that wouldnt shoot any loads effectively with jh 665. Allot of 870's shoot that choke fantastic. Once you hit the right combo you will be set. Xtrema is like a science project.
*the most consistent choke I have seen in multiple gun types for good hunting patterns and maintaining POA/ POI has been Pure Gold .670.
