Hello there im wishing to use accurite 1680 powder in addition to a one hundred grain bullet in .257 diameter but I dont know simply how much powder might be proper do you may have any suggestions. I realize you haven’t chatted in yrs Therefore if any one has recommendations https://transtechfirearms.com/product/remington-core-lokt-ammunition-25-20-wcf-86-grain-soft-point-box-of-50/