Vihtavuori N568 Smokeless Gun Powder is the ideal choice for today’s most popular large capacity magnum cartridges, such as the 6.5 PRC, .300 PRC, .300 Winchester Magnum, and .338 Lapua Magnum. N568’s slow burning characteristics and shortcut grains 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 and is insensitive to humidity changes. An excellent choice for classic belted magnum cartridges such as 7mm Remington Magnum, .300 RUM, .338 Winchester Magnum and more. Important Information:Do not exceed the loads displayed in the reloaders guide.Never mix any two powders regardless of type, brand, or source.Never substitute any smokeless powder for Black Powder or any Black Powder substitute.