The N300 series powders are one foundation porous powders for handguns. Formerly generally known as 3N18, the N340 is a true multipurpose powder, produced originally for 9mm and shotshell hundreds. This pistol powder is one of the most popular powders within the Vihtavuori N300 collection, and it can be utilized https://ammoand-supply.com/product/vihtavuori-n165/