Anyone try any of this stuff? Graf is having a sale on it. The Nobel web page has 2 loads for 6.5x39 Grendel with 108 Scenars.
Nobel Sport Vectan Powder
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The powder sounds ideal for the Grendel with very good velocities for a 6.5 X 39. However, it is single base and when I looked at its price, I decided against it.
Have found single base powders to be sensitive to changes in temperature and to produce huge muzzle flash. At best, single base powders I have used have been equal to double or triple base. Most of the time, they were inferior for one reason or the other. Either muzzle flash, lack of a consistent SD when chronographing, and pretty great variances in velocities.
Maybe these are decent powders. If they were fifteen dollars a pound, maybe.
LR1955
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