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Rifles, Reloading, Optics, Equipment
Reloading
burn rate charts
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<blockquote data-quote="MudRunner2005" data-source="post: 1151387" data-attributes="member: 12995"><p>What caliber are you loading for?</p><p></p><p>Some calibers it is not as close as H1000, but others it is. So, not sure what's going on there... With the STW it shows really similar with 180 grain bullets, but with 300 WinMag it shows that 7977 is noticeably faster, and you would need to drop 2-3 grains lower than you would with your H1000 load. But you compare the .300 Weatherby with them, it is back to being within 1/2-grain... Maybe both powders are more stable in the big magnums, than they are in the .300WM and smaller cartridges?</p><p></p><p>This place can help you get an idea of where to start with 7977 and compare it to H1000, and you'll see what I'm talking about how it varies with different cartridges.</p><p></p><p><a href="http://www.hodgdonreloading.com/data/rifle" target="_blank">Take Aim at Rifle Reloading Data | Hodgdon Reloading</a></p></blockquote><p></p>
[QUOTE="MudRunner2005, post: 1151387, member: 12995"] What caliber are you loading for? Some calibers it is not as close as H1000, but others it is. So, not sure what's going on there... With the STW it shows really similar with 180 grain bullets, but with 300 WinMag it shows that 7977 is noticeably faster, and you would need to drop 2-3 grains lower than you would with your H1000 load. But you compare the .300 Weatherby with them, it is back to being within 1/2-grain... Maybe both powders are more stable in the big magnums, than they are in the .300WM and smaller cartridges? This place can help you get an idea of where to start with 7977 and compare it to H1000, and you'll see what I'm talking about how it varies with different cartridges. [url=http://www.hodgdonreloading.com/data/rifle]Take Aim at Rifle Reloading Data | Hodgdon Reloading[/url] [/QUOTE]
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