Is it available yet from the article I was reading it might show some promise
imr 4166 has any one tried it yet
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Yup, it works. Burn rate is good IMO for the Grendel being between 8208 and CFE223, velocities have been good but ES not quite where I like them so far. It is a fairly bulky powder so it does fill the case and vibrating the cases helps settle the powder. Max load for my rifles there is a little crunch on the compressed load.
After hunting season I will go back and revisit it.
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