Re: 270 wsm 165gr Matrix data
My experience has been 130gr and up go with the slow burn, 110's with R17 is another story, they smoke out there but the temp instability just don't cut it!
The 1-10 should stabilize the 165's, I think most guys are shooting 1-10 twist. I start at 64gr of Retumbo and work up, generally around 66gr seems to be a sweet spot.
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