There you go @SixtyTen - looks a bit like a business opportunity!
For extra multi-factor rabbit hole science you could make some rim thickness gauges to sub-divide both unsized and sized rounds to see which has the greatest effect on group size?
There you go @SixtyTen - looks a bit like a business opportunity!
For extra multi-factor rabbit hole science you could make some rim thickness gauges to sub-divide both unsized and sized rounds to see which has the greatest effect on group size?
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