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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Twist for 178 ELD-X .308
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<blockquote data-quote="gohring3006" data-source="post: 1197768" data-attributes="member: 78762"><p>Running the 178 ELDs length at 2700 fps, thru the JBM stability calculator. I came up with a SF of 1.183. 1.5 or more, is said to optimal. But that is just numbers, the only way to tell is try them, they seem to be unstable in a 12 twist, but still might shoot ok, you will be losing some BC. I think the JBM calculator was run at sea level, but not totally sure about that..</p></blockquote><p></p>
[QUOTE="gohring3006, post: 1197768, member: 78762"] Running the 178 ELDs length at 2700 fps, thru the JBM stability calculator. I came up with a SF of 1.183. 1.5 or more, is said to optimal. But that is just numbers, the only way to tell is try them, they seem to be unstable in a 12 twist, but still might shoot ok, you will be losing some BC. I think the JBM calculator was run at sea level, but not totally sure about that.. [/QUOTE]
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Twist for 178 ELD-X .308
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