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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
How do I get the BC for a bullet whos maker dosent even know????
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<blockquote data-quote="BryanLitz" data-source="post: 278034" data-attributes="member: 7848"><p>I haven't tested these yet, but based on my dimensional measurements of the 140 JLK (not the dimensions given on the website), I would estimate a BC of 0.617 for the 140, and 0.573 for the 130 (if the 130 has the same ogive and boat tail as the 140). These BC's are averaged from 3000 fps to 1500 fps, and are likely within +/- 5% of the actual values.</p><p></p><p>I'm interested to learn how these estimates compare to other estimates or test results.</p><p></p><p>-Bryan</p></blockquote><p></p>
[QUOTE="BryanLitz, post: 278034, member: 7848"] I haven't tested these yet, but based on my dimensional measurements of the 140 JLK (not the dimensions given on the website), I would estimate a BC of 0.617 for the 140, and 0.573 for the 130 (if the 130 has the same ogive and boat tail as the 140). These BC's are averaged from 3000 fps to 1500 fps, and are likely within +/- 5% of the actual values. I'm interested to learn how these estimates compare to other estimates or test results. -Bryan [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
How do I get the BC for a bullet whos maker dosent even know????
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