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Rifles, Reloading, Optics, Equipment
Reloading
Nosler #8 Guide
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<blockquote data-quote="Jud96" data-source="post: 1269148" data-attributes="member: 69478"><p>The .243 is one of my favorite rounds and I can tell you that IMR 4350 is one of the top powders for 70-87gr bullets. I shoot 44gr with an 87gr V-MAX and 46gr with a 70gr, so 45gr with an 80gr sounds about right. I wouldn't worry about the book not listing the load. IMR 4350 is about the optimum burn rate for the .243 with 80-87s. The only thing that outperformed it and had the same pressure was IMR 4451, a .5gr more of it with 87gr increased speed from 3370 to 3430fps. I went to the next slower powder I have, which is IMR 4831, and 45gr of it with an 87gr had more pressure than both IMR 4350 and IMR 4451 but lost 20fps compared to IMR 4350. This is where I drew the line that anything slower than IMR 4451 went over the other edge and had no gain in velocity for an 87gr bullet. In my opinion IMR 4350 is about the slowest powder to use in a .243 with an 80gr and not have diminished results. H1000 and Retumbo are excellent for 100-107gr bullets in the .243 but are too slow for anything lighter. </p><p></p><p>If you are not seeing excessive pressure issues than don't change your load. I shoot many loads that are not in the books but are completely safe and function perfect.</p></blockquote><p></p>
[QUOTE="Jud96, post: 1269148, member: 69478"] The .243 is one of my favorite rounds and I can tell you that IMR 4350 is one of the top powders for 70-87gr bullets. I shoot 44gr with an 87gr V-MAX and 46gr with a 70gr, so 45gr with an 80gr sounds about right. I wouldn't worry about the book not listing the load. IMR 4350 is about the optimum burn rate for the .243 with 80-87s. The only thing that outperformed it and had the same pressure was IMR 4451, a .5gr more of it with 87gr increased speed from 3370 to 3430fps. I went to the next slower powder I have, which is IMR 4831, and 45gr of it with an 87gr had more pressure than both IMR 4350 and IMR 4451 but lost 20fps compared to IMR 4350. This is where I drew the line that anything slower than IMR 4451 went over the other edge and had no gain in velocity for an 87gr bullet. In my opinion IMR 4350 is about the slowest powder to use in a .243 with an 80gr and not have diminished results. H1000 and Retumbo are excellent for 100-107gr bullets in the .243 but are too slow for anything lighter. If you are not seeing excessive pressure issues than don't change your load. I shoot many loads that are not in the books but are completely safe and function perfect. [/QUOTE]
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Nosler #8 Guide
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