Looking in Lyman Cast Bullet handbook, I see SR4759 and 5744 as the best powders for light loads. 292 cast starts at 1300 fps for a lead bullet. It goes up from there.
Are these plated bullets made for over 1250 fps? some are not.
I have never had any luck with accuracy in plated bullets. This is only in hand guns.
You can also buy coated bullets like Hy Tek and others that will probably shoot better, maybe even excellent. Your rifle is a handloaders good time. Lots of things to try. Lots of those will work well.
David
Edit I just looked up the 350 rifle bullet is ok up to 2,000 fps.
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