The 26th edition of the Hodgdon Data Manual shows that with a 150 grain bullet 36.0 grains of H335 powder will give a MV of 2303 fps, and 39.0 grains of H335 will give a MV of 2545 fps. Behind a 180 grain bullet 34.0 grains of H4895 will give a MV of 2081 fps, and 37.0 grains of H4895 will give a MV of 2130 fps.
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