The N500 High Energy propellant family now consists of five different powders, with the new N570 being the slowest burn rate in this series. This extruded tubular powder has a large kernel size (similar to our 20N41 and 20N29) and a high bulk density. It was developed to bring out the very best performance and velocity in large volume magnum rifle cartridges. We recommend that charges of this high energy powder be weighed, as measures do not always deliver consistent charges. The characteristics of this slow burning, high energy powder are ideally suited to bringing out the best in large volume cases like the 6.5-284 Norma, 300 Winchester Magnum, 300 Remington Ultra Mag, 338 Lapua Magnum or the 30-378 Weatherby Magnum.
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