Vihtavuori N568 Smokeless Rifle Powder - 1lb Can - The most recent heavy-weighter in Vihtavuori's N500 rifle powder series is the N568. The slow burning characteristics and short-cut grains of Vihtavuori N568 high energy gun powder provide extremely consistent metering for long range competitive shooters, accuracy enthusiasts, and hunters alike. N568 excels with heavy-for-caliber projectiles and provides exceptional temperature stability. As with all Vihtavuori's reloading powders, it's also insensitive to humidity changes. Vihtavuori N568 is the perfect choice for today's most popular large capacity cartridges, including 6.5 PRC, .300 PRC, .338 Lapua Magnum, and an assortment of classic belted magnums such as 7mm Remington Magnum and .300 Winchester Magnum.