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Rifles, Reloading, Optics, Equipment
Reloading
7mm 180 ELD Match
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<blockquote data-quote="martinakl" data-source="post: 1372532" data-attributes="member: 74115"><p>Tagging in. </p><p></p><p>I have 2 boxes on 180 ELD-M, and a 28 Nosler. </p><p></p><p>Waiting on an ELD-M seating Stem (and probably spring 2018)</p><p></p><p>Custom rifle</p><p>1:9 Twist barrel</p><p>Custom Reamer with 3.6" COAL (180 Berger VLDs)</p><p></p><p>RL-33 Gets the 180 Berger's up to 3200fps but want to try the 180 ELD's</p><p></p><p>I'm going to try a BC of .752 (Ballistic AE) for the 180 ELD-M's (average listed BC for a 1:8.75 Twist) </p><p></p><p>I also downloaded the Hornady App (iPhone). I'll compare the two when the time comes. </p><p></p><p><strong>The listed BC of .816 is for a 1:7.75 twist barrel at MACH 2.25</strong></p><p><strong>Average BC, 1:7.75 Twist is: .803</strong></p><p></p><p>Berger uses averages to begin with, but for reference:</p><p></p><p>180 Berger: .673</p><p>195 Berger: .755</p><p></p><p>Hornady Data Source:</p><p><a href="https://www.hornady.com/support/ballistic-coefficient" target="_blank">https://www.hornady.com/support/ballistic-coefficient</a></p></blockquote><p></p>
[QUOTE="martinakl, post: 1372532, member: 74115"] Tagging in. I have 2 boxes on 180 ELD-M, and a 28 Nosler. Waiting on an ELD-M seating Stem (and probably spring 2018) Custom rifle 1:9 Twist barrel Custom Reamer with 3.6" COAL (180 Berger VLDs) RL-33 Gets the 180 Berger's up to 3200fps but want to try the 180 ELD's I'm going to try a BC of .752 (Ballistic AE) for the 180 ELD-M's (average listed BC for a 1:8.75 Twist) I also downloaded the Hornady App (iPhone). I'll compare the two when the time comes. [B]The listed BC of .816 is for a 1:7.75 twist barrel at MACH 2.25 Average BC, 1:7.75 Twist is: .803[/B] Berger uses averages to begin with, but for reference: 180 Berger: .673 195 Berger: .755 Hornady Data Source: [URL]https://www.hornady.com/support/ballistic-coefficient[/URL] [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
7mm 180 ELD Match
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