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300 Win, Wby, RUM and 30-378 average velocities

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27 February 2010, 06:03
<Mike McGuire>
300 Win, Wby, RUM and 30-378 average velocities
I pulled the all data from the Hodgdon loads for 150, 165, 180 and 200 grainers.

The average velocities of the 4 bullet weights and for all listed maximum loads each bullet weight

300 Win........ 2988
300 Wby....... 3055
300 RUM........3158
30-378..........3362

The average all 4 bullet weights with load that gave highest velocity

300 Win........ 3109
300 Wby....... 3208
300 RUM........3323
30-378..........3484