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