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Rifles, Reloading, Optics, Equipment
Reloading
Need help, 300 Shannon???
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<blockquote data-quote="Lefty7mmstw" data-source="post: 738582" data-attributes="member: 48043"><p>How does the case capacity compare with that of the 300 roy?? If it's close, I'd start 10% down from roy data and work into it. The biggest thing you need to worry about here is volume; if you are really close to a book round (as it sounds like you are) starting low and playing cautiously using a chrono should yield good data. </p><p>What bullet weight was the 4350 load for???? It would seem to be a rather stout load as hodgdon shows about 73 grain I4350 with a 180 depending on brand. Even the older hodgdon #26 manual only shows another grain using crusher data before the roy had a pressure limit.</p></blockquote><p></p>
[QUOTE="Lefty7mmstw, post: 738582, member: 48043"] How does the case capacity compare with that of the 300 roy?? If it's close, I'd start 10% down from roy data and work into it. The biggest thing you need to worry about here is volume; if you are really close to a book round (as it sounds like you are) starting low and playing cautiously using a chrono should yield good data. What bullet weight was the 4350 load for???? It would seem to be a rather stout load as hodgdon shows about 73 grain I4350 with a 180 depending on brand. Even the older hodgdon #26 manual only shows another grain using crusher data before the roy had a pressure limit. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Need help, 300 Shannon???
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