Once again I will refer you to Mr. Neil Winston in the event that you may be interested in knowing how to do correctly whatever it is that you're doing

http://www.claytargettesting.com/index.html

And I'll suggest again that he has many extensive tests and results scattered thru trapshooters.com that are not posted on his web site even tho I've all but begged him to so so repeatedly. Running a search for those would be well worth your while.

Dr.WtS
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