Looks like 41 gr is the sweet spot. This gives me hope for my, yet to be delivered, 22 Creedmoor. I purchased 8 pounds of Superformance while testing my first custom rifle in 300 WSM. It did not work out. Based on your tests, it looks like I may have a use for it.

Keep us updated.

By the way, in case you missed it, Jeremiah was a bullfrog.