working on a load that it is sort of working 6.5cm 41.2 h4350 140 nosler rdf. at 200yds i got a perfect horizontal group 5 shots measuring just over 1 1/8" trying to get some ideas on which way to go with powder charge a tenth or 2 up or down, i could try both, but from shooters experience what should i try next, the bullet is .010 off the lands.

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ps going to try an alliant powder next, what is working rl-16 rl-26 ect