Vihtavuori N320 Pistol Smokeless Powder - 1lb Can - Vihtavuori's N320, formerly known as 3N22, is a fast burning, porous handgun powder. N320 is one of Vihtavuori's most popular handgun powders and can be used for a wide range of pistol calibers from .32 to .45. It is most commonly used by sport and hobby shooters, such as Cowboy Action shooters, but as a very reliable gun powder it is also suitable for authority applications. The powder type is tubular, with grain dimensions 1,1 mm x 0,8 mm (length x diameter), and includes the added decoppering agent. Lot-To-Lot Consistency Temperature Stable Decoppering Agent Clean Burning