So I went back out today to do a good 40 yard pattern and see how it came out. I took my laser range finder with me that I did not have originally. So I have to make a correction, my original 35 yard pattern is 31 yards. I counted my slightly larger then normal steps and thought I was pretty spot on, guess not.
So my original pattern is 31 yards. Not 35.
This is an accurate 40 yards from the tip of the barrel to the target shot. I have 218 in the 10" ring and 217 in the 18.5" ring. I did not have a 20" circular object in the house and did not feel like fooling with a string and sharpie to make it 20".
Maybe not as good as I expected but I think a 50/50 split betwen 10"/18.5" area is a damn good hunting pattern. Ill take it all day every day.