vihtavuori n550 OverviewMidwest now offers VihtaVuori N550 Smokeless Powder in stock now available in one Lb and eight Lb.N550 is employed by the most effective shooters and brands inside the shooting business, Vihtavuori N550 Smokeless Powder has acquired a superb status for staying probably the greatest smokeless powders out there.Vihtavuori Smok