VihtaVuori N555 is a premium high-energy smokeless rifle powder tailored specifically for precision rifle platforms and competitive shooting. Formulated for rifle calibers with large case volumes and comparatively small bullet diameters, it is commonly used in the 6.5 Creedmoor. It is characterized by temperature stability, intended to provide consistent velocities across various weather environments. The composition includes a specialized anti-fouling agent designed to minimize copper buildup in the barrel during extended shooting sessions. With a burn rate positioned between the N550 and N160 varieties, it is manufactured for lot-to-lot consistency. VihtaVuori N555 Hight Energy Rifle Powder 1lb Canister T11958