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Hunting
Long Range Hunting & Shooting
6.5 PRC, N565 OR H1000 that is the question
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<blockquote data-quote="BrentM" data-source="post: 2244245" data-attributes="member: 61747"><p>H1000 is pretty hard to beat but VV560-565 have been solid for me too. Personally, I don't see any powder being totally insensitive to temp. There is a reason why there is chart for powder fps per degree. The issue with the charts is that is also dependent on the burn characteristics of your specific application. A short fat case vs a long skinny case, a magnum primer vs non, amount of powder..... </p><p></p><p></p><p>A really simple test is easy to do. Take 3-5 rounds of each, pop them in the freezer. Transfer to a cooler. Go to the range. Conduct a quick test of the FPS of each cold compared to hot and you have minor basic math to conduct. One thing to remember is to NOT let a cold case sit in a hot chamber. Pop it in and send it as fast as possible. </p><p></p><p>Hornady 4dof claims H1000 is .46 fps/degree. Independent data shows .21.</p></blockquote><p></p>
[QUOTE="BrentM, post: 2244245, member: 61747"] H1000 is pretty hard to beat but VV560-565 have been solid for me too. Personally, I don't see any powder being totally insensitive to temp. There is a reason why there is chart for powder fps per degree. The issue with the charts is that is also dependent on the burn characteristics of your specific application. A short fat case vs a long skinny case, a magnum primer vs non, amount of powder..... A really simple test is easy to do. Take 3-5 rounds of each, pop them in the freezer. Transfer to a cooler. Go to the range. Conduct a quick test of the FPS of each cold compared to hot and you have minor basic math to conduct. One thing to remember is to NOT let a cold case sit in a hot chamber. Pop it in and send it as fast as possible. Hornady 4dof claims H1000 is .46 fps/degree. Independent data shows .21. [/QUOTE]
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6.5 PRC, N565 OR H1000 that is the question
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