All Vihtavuori reloading powders produced today have an added decoppering agent, also called anti-fouling agent. What does that mean for the reloader using Vihtavuori powders? The decoppering agent reduces the amount of copper residue that forms within the rifle barrel when shooting. Less copper residue translates as a cleaner rifle barrel. For the reloading target
Vihtavuori® powders are better for barrels with decoppering agent!
