I have some accurate 4350 and building a new 6.5x47 most say h4350 is the best, accurate is a bit slower burning cant find h4350 I have reloader 17 witch in almost same burn rate as h4350 but have been told its sensitive to weather conditions ???? Any Experience with these powders shooting 600 to a 1000 yards Shooting 140 's VDL 1-8 twist barrel Sierra and berger
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