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Rifles, Reloading, Optics, Equipment
Reloading
Thoughts on IMR 7977
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<blockquote data-quote="vancewalker007" data-source="post: 1719417" data-attributes="member: 66917"><p>I have used 7977 in 2 7mmLRMs and a 6.5 PRC. I have been able to get similar results as H1000 but it always takes a touch more powder. So say where 69.1 of H1000 would give a certain velocity, I might go to 69.7 of the 7977. We just doped out one of the LRMs with 180 VLDs over 70.9 gr of 7977. When people say it seems dirty I assume they mean the patches during the carbon cleaning step seem blacker. They do,. But it suppresses copper build up. In these 2 LRMs I hardly get any copper build up, I see way more with H1000.</p></blockquote><p></p>
[QUOTE="vancewalker007, post: 1719417, member: 66917"] I have used 7977 in 2 7mmLRMs and a 6.5 PRC. I have been able to get similar results as H1000 but it always takes a touch more powder. So say where 69.1 of H1000 would give a certain velocity, I might go to 69.7 of the 7977. We just doped out one of the LRMs with 180 VLDs over 70.9 gr of 7977. When people say it seems dirty I assume they mean the patches during the carbon cleaning step seem blacker. They do,. But it suppresses copper build up. In these 2 LRMs I hardly get any copper build up, I see way more with H1000. [/QUOTE]
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Thoughts on IMR 7977
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