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Finally got to the range. 7.5 gr of unique was no good. Worse than 7.0. Then I tried 8.0 and it was better. I have looked at both and neither is up to 30-30 accuracy so it may be time to try some other powders. Reality is I do not have the time or expertise to be doing this right now but it is a nice diversion. I could argue the results here are my shooting ability and two shots got away from me. I guess the next step is to take 10 rounds of 7.0 and 10 rounds of 8.0 and have a shoot off.
Still using my home cast 429215 sized .430", weight 218g, no gas check, Blue Angle lube.
This was max of 3.674 MOA vs 7.0g of unique which was 3.3. But the ATC (average to center) was slightly better, 1.025 vs. 1.052. Of course none of these groups are anything to write home about.
Take two, different powder.
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