Originally Posted by Tripplebeards
So what is the burn rate for 2F and 3F versus FG? I’m curious if there’s a burn rate chart between these and how much do down load to get the same velocity and pressures between them?

I don't know of such a chart and it would vary from one manufacturer to another. And even between batches to a degree. I would just run them over a chronograph, starting at about 80% of what you are using now.

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BrentD, (Professor - just for Stan)
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