The burn up amount of Vihtavuori N565 Powder is somewhat nearer to N570, around splitting the difference between The 2. Vihtavuori N565 Powder is one perforated extruded powder, aquiring a bulk density of 960 g/l and an Power content of 4000 J/g. The N300 collection powders are one base porous https://ammoand-supply.com/product/vihtavuori-n570/