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Old January 16, 2013, 09:20 PM   #1
reynolds357
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Winchester 780 Br powder

I just found a couple of pounds of it. Anyone have any loading data for it? I hate to throw it away even though it is old. This is not "supreme 780."
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Old January 17, 2013, 05:34 PM   #2
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There still should be pertainent data available for that powder, find it on a burn rate chart, and see where it fit's in, then go from there. It has the same number as Supreme, maybe it's not far off, if so it's cool for a lot of neat loads.
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Old January 17, 2013, 07:20 PM   #3
Catfish
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Try WWW.hodgenpowder.com, if that don`t work gogle hodgen powder. You can down load theie whole loading manual, or just find the data you need.
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Old January 17, 2013, 07:32 PM   #4
reynolds357
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I cant find it on a burn rate chart. Hodgdon does not have data for it. Called Hodgdon tech support and they said they no longer had any data for it. I asked him if it was close to being the same as supreme and he said he thought it was slower but was not 100% sure that it was.
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Old January 17, 2013, 07:40 PM   #5
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I have some old reloading manuals that list 780 BR, they're from the early 1970s. What cartridge are you loading, what weight bullets?
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Old January 17, 2013, 08:58 PM   #6
reynolds357
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Thanks in advance for the data.
Does it have any data for 6.5 X55 Sweede with 120 or 140 bullets?
7mm Rem mag 140gr?
270 Win. 130 gr?
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Old January 19, 2013, 08:33 AM   #7
hooligan1
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Hey Reynolds you might have already tried this but, I use IMR 4831 with 140 Accubonds, and it's really nice,easy recoil and very consistant.
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Old January 19, 2013, 10:22 PM   #8
reynolds357
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Thanks Hooligan. I just have a couple pounds of the Winchester powder I need to use up on something.
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