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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Question on bergers bc
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<blockquote data-quote="BryanLitz" data-source="post: 262930" data-attributes="member: 7848"><p>Grit,</p><p>The G7 BC for the 30 cal 210 grain VLD is 0.315.</p><p></p><p>I don't own exbal, so I don't know if it can accept G7 BC's or not.</p><p>Here's a link to a very good (free online) ballistics program that lets you use G7 BC's:</p><p><a href="http://www.eskimo.com/~jbm/calculations/traj/traj.html" target="_blank">http://www.eskimo.com/~jbm/calculations/traj/traj.html</a></p><p></p><p>Just enter your conditions and be sure to select G7 if you input the 0.315 BC for the 210 VLD. If you don't tell the program you're giving it a G7 BC it will assume you're giving it the 'ol G1 and it will produce useless results. The output of this program is quite accurate if it's given good input.</p><p></p><p>There is currently no resource available to get G7 BC's from all brands. As Kevin said, it will be an uphill fight to get most of the other bullet makers to convert. We're working on materials that are designed to bring the G7 referenced BC's into the mainstream. In the mean time, I'm happy to continue providing G7 BC's for Berger bullets on request.</p><p></p><p>-Bryan</p></blockquote><p></p>
[QUOTE="BryanLitz, post: 262930, member: 7848"] Grit, The G7 BC for the 30 cal 210 grain VLD is 0.315. I don't own exbal, so I don't know if it can accept G7 BC's or not. Here's a link to a very good (free online) ballistics program that lets you use G7 BC's: [url]http://www.eskimo.com/~jbm/calculations/traj/traj.html[/url] Just enter your conditions and be sure to select G7 if you input the 0.315 BC for the 210 VLD. If you don't tell the program you're giving it a G7 BC it will assume you're giving it the 'ol G1 and it will produce useless results. The output of this program is quite accurate if it's given good input. There is currently no resource available to get G7 BC's from all brands. As Kevin said, it will be an uphill fight to get most of the other bullet makers to convert. We're working on materials that are designed to bring the G7 referenced BC's into the mainstream. In the mean time, I'm happy to continue providing G7 BC's for Berger bullets on request. -Bryan [/QUOTE]
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Question on bergers bc
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