Quote:
Originally Posted by Dubious
you nailed it adjusting the burn rate of h4831sc to .5040 matches my recorded data for other charges I fired very closely.
58.0gr avg 3422, QL 3418
58.5gr avg 3456, QL 3443
59.0gr avg 3469, QL 3468
this must be a variation in lot to lot burn rates?
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It has more to do with the burn rate in various sized cases - load densities, bullet weights,temps etc. Now that you have the correct burn rate for your particular rifle and load, the lot to lot variances will still show, but nothing too critical. I find it best to make a note of it because QL will default back to the original burn rate.