Larryjk,
I suggest you begin with a starting load of IMR 4895 in your Garand for either the 150 or 173 grain bullets.
My book COTW, 11th Edition on page 62, shows a load of 51 grains of IMR 4895 and a 150 grain bullet in the .30-06 for 2900 fps. That is way too much for the Garand in my opinion. My 168 grain Garand load is 46 grains of IMR 4895.
On page 354, under COTW heading "Military Cartridges of the World" , it shows the .30-06 150 grain Ball M2 load as having 2740 fps and the 172 grain Ball M1 load at 2640 fps.
I suggest you stay below the MAXIMUM loads to ensure the life of your Garand.
Adam
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Adam Helmer
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