Speer Reloading Data

Muddyboots

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If you haven't looked at their on line load data, Speer data has some data not normally associated with comparable weight bullets. Gives some good starting points. I downloaded 300WSM 165 and 180 grain data attached below as examples.

 

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  • 300_Winchester_Short_Magnum_180.pdf
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  • 300_Winchester_Short_Magnum_165.pdf
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I definitely like the long list of powders. I notice they were not consistent with primers. Some being Magnum and some standard.
Given your experience Muddyboots, I'm going to have to do my own research between the two.
Thanks for the post!
 
I definitely like the long list of powders. I notice they were not consistent with primers. Some being Magnum and some standard.
A passing glance at a single page of 7mm-08 data in the Speer manual had magnum primers listed with the ball powders. Don’t take that observation as gospel truth, but it is my starting point in trying to decipher the differences.
 
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