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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
How to true the BC
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<blockquote data-quote="XLR Industries" data-source="post: 2543111" data-attributes="member: 123236"><p>Use your G7 and then adjust the BC. The magnetospeed is giving u a fixed measurement so you know that is correct (as long as it is doing its job). The BC is going to change depending on your barrel. A barrel could have a tighter bore, different twist, different numbers of lands, or different shaped lands. Every one of those is going to change your BC in one way, shape, or form. There isn't really a great way to change BC without just guessing and checking. Typically what I do is shoot at 1200 to get my initial BC. Then I will confirm it at 500, and 800 to make sure that elevation is good at those distances. We have an article explaining the different ways we have found that work so I will put a link below! </p><p></p><p>[URL unfurl="true"]https://xlrindustries.com/blogs/xlr-precision-rifle-blog/truing-rifle-data[/URL]</p></blockquote><p></p>
[QUOTE="XLR Industries, post: 2543111, member: 123236"] Use your G7 and then adjust the BC. The magnetospeed is giving u a fixed measurement so you know that is correct (as long as it is doing its job). The BC is going to change depending on your barrel. A barrel could have a tighter bore, different twist, different numbers of lands, or different shaped lands. Every one of those is going to change your BC in one way, shape, or form. There isn't really a great way to change BC without just guessing and checking. Typically what I do is shoot at 1200 to get my initial BC. Then I will confirm it at 500, and 800 to make sure that elevation is good at those distances. We have an article explaining the different ways we have found that work so I will put a link below! [URL unfurl="true"]https://xlrindustries.com/blogs/xlr-precision-rifle-blog/truing-rifle-data[/URL] [/QUOTE]
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How to true the BC
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