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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Question on bergers bc
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<blockquote data-quote="grit" data-source="post: 262965" data-attributes="member: 4112"><p>Thanks.</p><p></p><p>I don't want to take advantage of your time. But I have a few more questions. </p><p></p><p>I ran the numbers for the 6.5 140 at 2600 fps using the g1 and g7 models. The numbers to 1k were virtually identical.</p><p></p><p>Can you illustrate the differences in using the two models. I will get specific. I am shooting the 210's at 3013 fps. Max range 1500 ish. </p><p>Alt, 5000'</p><p>pressure at altitude, 25.4"</p><p>temp, 50</p><p>humidity, 24%</p><p></p><p>Next question, I don't see an option to use the g7 on my Nightforce xbal software. I thought it had it. </p><p>However, The program offers the option to define multiple bc's at certain velocities.</p><p></p><p>For example, if I choose the 308 175 Smk the program shows two columns. Looks like this:</p><p></p><p>BC - Lower velocity limits</p><p>.505- 2800 fps</p><p>.496 - 1800 fps</p><p>.485 - 0 fps</p><p></p><p></p><p>Now, when I choose your 210 it looks like this:</p><p></p><p>BC - Lower limit</p><p>.616 - 0 fps</p><p></p><p></p><p>Perhaps you could provide me with bc's at lower limits like above to better utilize the program I have??</p><p></p><p>If the G7 model or others are more accurate, I am all for switching. In the mean time, I'd like to use what I have as accurately as possible.</p><p></p><p>Thanks again for your time!</p></blockquote><p></p>
[QUOTE="grit, post: 262965, member: 4112"] Thanks. I don't want to take advantage of your time. But I have a few more questions. I ran the numbers for the 6.5 140 at 2600 fps using the g1 and g7 models. The numbers to 1k were virtually identical. Can you illustrate the differences in using the two models. I will get specific. I am shooting the 210's at 3013 fps. Max range 1500 ish. Alt, 5000' pressure at altitude, 25.4" temp, 50 humidity, 24% Next question, I don't see an option to use the g7 on my Nightforce xbal software. I thought it had it. However, The program offers the option to define multiple bc's at certain velocities. For example, if I choose the 308 175 Smk the program shows two columns. Looks like this: BC - Lower velocity limits .505- 2800 fps .496 - 1800 fps .485 - 0 fps Now, when I choose your 210 it looks like this: BC - Lower limit .616 - 0 fps Perhaps you could provide me with bc's at lower limits like above to better utilize the program I have?? If the G7 model or others are more accurate, I am all for switching. In the mean time, I'd like to use what I have as accurately as possible. Thanks again for your time! [/QUOTE]
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Question on bergers bc
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