Originally Posted by Blaine
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I don't believe it has any more temp sensitivity than any other powder including the Hodgdon extreme series or IMR powders.


Full Draw just told us how he found a 100 fps difference with RL-22 in his 7 Mag and zero difference with H4831SC. Why would you not believe that? His results reflect what many of us have found.


My take is a tad different...I believe in the temp sensitivity of R-22, but my experience tells me that the "extreme" powders suffer from it to some extent as well. Its just a contengency to deal with in loading.

War Damn Eagle!