The N300 series powders are solitary base porous powders for handguns. Formerly often called 3N18, the N340 is a real multipurpose powder, created at first for 9mm and shotshell masses. This pistol powder is one of the most well-liked powders from the Vihtavuori N300 series, and it can be used https://ammoand-supply.com/product/n165-powder/