Physically, N565 grains have the exact dimensions as These in the N560 powder. As all Vihtavuori powders, it flows smoothly by powder measures and makes certain great loadability and uniformity. The N300 collection powders are one foundation porous powders for handguns. Previously known as 3N18, the N340 is a true https://ammoand-supply.com/product/vihtavuori-n540/