John,
I have never used Green Dot. For a number of years I loaded 17grains of Clay Dot. Great low pressure low recoil load. When it was hard to find powder a while back, I came across an 8lb. jug of Red Dot. I loaded the same 17grains and did not notice much of a difference in the recoil. Never had that load measured for pressure, I just went by the reloading charts on line. According to those charts, the pressure with the Red Dot was a bit higher, but not that much to worry about. One thing for sure, Clay Dot is definitely a lot cleaner than Red Dot.
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