Quote:
With 158's, you might want to consider "medium" speed powders.
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I agree.
My pet load with 158 grain plated bullets is 6.5 grains of SR-4756 and a magnum primer. Should be right around 950-1,000 fps. HS-6 works well, but is very dirty. SR-4756 is super clean. No greasy residue on the gun and no unburned powder. Meters well too.
My old favorite was Universal, but I don't think you're going to find that.