vihtavuori n550 OverviewMidwest now gives VihtaVuori N550 Smokeless Powder in stock now available in 1 Lb and 8 Lb.N550 is employed by the very best shooters and brands in the shooting marketplace, Vihtavuori N550 Smokeless Powder has attained an outstanding name for getting among the finest smokeless powders obtainable.Vihtavuori Smokeless Powder