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Rifles, Reloading, Optics, Equipment
Reloading
Does twist rate effect velocity
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<blockquote data-quote="scottishkat" data-source="post: 990160" data-attributes="member: 82202"><p>I have always found H4831 to shoot slow in my 270. I have switched to VV N560. Started at about 50gr with 160 NPT. What is your powder charge for H4831? I had good velocity with AA4350 and the 160 partitions as well. I was getting right at 2700 from my 24" accumark and the 160 NPT with both powders. H1000 should be a great choice.</p><p></p><p>I am not familiar with the matrix bullet but I can't imagine it has a longer bearing surface than the NPT.</p><p></p><p>Good luck and shoot straight.</p><p></p><p>Bob</p></blockquote><p></p>
[QUOTE="scottishkat, post: 990160, member: 82202"] I have always found H4831 to shoot slow in my 270. I have switched to VV N560. Started at about 50gr with 160 NPT. What is your powder charge for H4831? I had good velocity with AA4350 and the 160 partitions as well. I was getting right at 2700 from my 24" accumark and the 160 NPT with both powders. H1000 should be a great choice. I am not familiar with the matrix bullet but I can't imagine it has a longer bearing surface than the NPT. Good luck and shoot straight. Bob [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Does twist rate effect velocity
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