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Rifles, Reloading, Optics, Equipment
Reloading
Usually on the giving end of advice...need help
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<blockquote data-quote="Bang4theBuck" data-source="post: 2645191" data-attributes="member: 73596"><p>I did not turn the necks on the peterden brass. </p><p>The chamber neck is .276" and .100 freebore. </p><p>With 108 ELDM bullet I got 3456 on the ladder with pressure signs. At 3410....no pressure. </p><p></p><p>With 88 grain hammer hunters I got 3600 on the ladder with significant spike in pressure and velocity at the top 3 charges. 3525, no pressure. </p><p></p><p>With 105 Berger Hybrid I got 3512 with mild pressure, 3450 without pressure. </p><p></p><p>Looking again at the data, it seems that each 4 or 5 shot group has a single outlier that is driving the ESs up. The attached pics show decent ESs if I delete the outlier. Not exactly the right way to do it, but might be another clue.</p></blockquote><p></p>
[QUOTE="Bang4theBuck, post: 2645191, member: 73596"] I did not turn the necks on the peterden brass. The chamber neck is .276" and .100 freebore. With 108 ELDM bullet I got 3456 on the ladder with pressure signs. At 3410....no pressure. With 88 grain hammer hunters I got 3600 on the ladder with significant spike in pressure and velocity at the top 3 charges. 3525, no pressure. With 105 Berger Hybrid I got 3512 with mild pressure, 3450 without pressure. Looking again at the data, it seems that each 4 or 5 shot group has a single outlier that is driving the ESs up. The attached pics show decent ESs if I delete the outlier. Not exactly the right way to do it, but might be another clue. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Usually on the giving end of advice...need help
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