I am using some IMR 4320 for my 6X45 which is about identical to Varget as far as burn rate but the powder grains are a tad smaller and fit into the case a little better than Varget. I still get a little crunch but not as much as the Varget.

Right now the 3 powders I'm going to do some testing with for 55-95 grain bullets in my 20" 1-9 twist BHW barrel is H335, H4895, and IMR4320 and I hope to have some results soon......if this arctic cold would ever decide to leave! sneaky2
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