Re: 300 Winch Mag load?
For 170gr. and under, I stick w/ RL22.
For 180, up to 190, IMR7828 seems to work well.
210M primers, start about 2 gr. below 75gr.
Always start lower, but these are really good loads, for a very fickle Sako 75 300WM.
That 150gr. MK, is simply lethal in my rifle, w/ RL22.
Hope this helps...sakofan.. [img]images/icons/smile.gif[/img]
It's only rock and roll....But I like it!