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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Need a drop chart
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<blockquote data-quote="bigngreen" data-source="post: 359427" data-attributes="member: 13632"><p>I used .409 because it is middle of the road. Sierra uses three BC's but I did not know that JBM would use three but it kinda looks that way. JBM also lists Litz's BC for that bullet and I have found that to be very accurate but I don't know what it is, I'm going to get his book on order ASAP.</p><p>If I used .409 in Loadbase and the library file in JBM they were within a 1/10th at 600yrds. With Loadbase I can lay out multiple tracks next to each other so I used .409 for one and another at .474 and they where .7 apart in the same manner, it sounds like you had.</p><p>I started this thread, feel free to take a run at it with JBM it is good practice and for fun.</p><p><a href="http://www.longrangehunting.com/forums/f19/warm-up-your-ballistics-calculator-52033/" target="_blank">http://www.longrangehunting.com/forums/f19/warm-up-your-ballistics-calculator-52033/</a></p></blockquote><p></p>
[QUOTE="bigngreen, post: 359427, member: 13632"] I used .409 because it is middle of the road. Sierra uses three BC's but I did not know that JBM would use three but it kinda looks that way. JBM also lists Litz's BC for that bullet and I have found that to be very accurate but I don't know what it is, I'm going to get his book on order ASAP. If I used .409 in Loadbase and the library file in JBM they were within a 1/10th at 600yrds. With Loadbase I can lay out multiple tracks next to each other so I used .409 for one and another at .474 and they where .7 apart in the same manner, it sounds like you had. I started this thread, feel free to take a run at it with JBM it is good practice and for fun. [URL]http://www.longrangehunting.com/forums/f19/warm-up-your-ballistics-calculator-52033/[/URL] [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Need a drop chart
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