I load for LR 1k with my .222 Rem Mag. I shoot a 29" 1-8 twist, 80gr'ers, I never really use the light bullets; but if it helps; as for the powders you mentioned'..., I work with a lot of VV- N150 and Varget both product about the same results in my loads; 3025 fps. Taking that too the next step, I think you'll find a little better luck with Varget.
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