2&3/8 oz of 9s at 40 yards out of an 870 one through a .665 constriction Tru glo the other a .660 sumtoy . Enjoy.
I was thinking of trying this shot this year as well.
With a 2 3/8oz load, I bet you only shot that thing once. Yikes!!! At 20 yrds. your going to have to send him down the road before shooting. You will literally being throwing a baseball at him at most.