Phil Rizzo
Well-Known Member
And if you land in a happy spot try .1 gr both ways.My first thought is that 0.6 grains interval is too large, hence the possibility to miss the "flat(ter)" portion of the curve. I used 0.2gr intervals for both Hornady ELD-X 143 and Berger EOL 156, and eventually found a couple "flatter" portions each to choose from. The rifles were 2 Tikka T3x CTR, they had practically identical chambers (quite a statement for manufacturing quality control).
one tenth can matter a lot, even in big cases.
BUT a wider node is definitely preferable!
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