My father started loading 4895 in his sporterized Springfield sometime in the late 1940s that I know of. I started loading for the '06 in 1950, and use 4064 for 150-grain and heavier bullets; 3031 for the 110-grain or lighter bullets.
I've never been able to tell the general difference in his group sizes and mine. Deer keep falling down as though they can't tell the difference.
By a few reloader books, the 4064 will allow about 100 ft/sec more than the 4895 with the 150-grain bullet. I recall this is even more so with heavier bullets...
Now, this is all bolt-action. I concur as to guns like the Garand and 4895...
FWIW, Art
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