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Long Range Hunting & Shooting
Drop Charts- Please can you help me ???
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<blockquote data-quote="kiwi3006" data-source="post: 414374" data-attributes="member: 8927"><p>G1 and G7 are quite different numbers the .33 BC is G1 BC.</p><p> </p><p>For example the 168 gr .284 berger has a G1BC of 0.617 but a G7 BC of 0.316.</p><p> </p><p>Unless it says that it is G7 BC assume that it is G1. Berger is about the only company that publishes G7 BC.</p><p> </p><p>You are right that the G1 BC is based on a flat based bullet and G7 is a boat tailed bullet. The G7 BC will give better results for a boat tailed bullet, but you need to make sure that the BC you are using is a G7 BC.</p><p> </p><p>Stu</p></blockquote><p></p>
[QUOTE="kiwi3006, post: 414374, member: 8927"] G1 and G7 are quite different numbers the .33 BC is G1 BC. For example the 168 gr .284 berger has a G1BC of 0.617 but a G7 BC of 0.316. Unless it says that it is G7 BC assume that it is G1. Berger is about the only company that publishes G7 BC. You are right that the G1 BC is based on a flat based bullet and G7 is a boat tailed bullet. The G7 BC will give better results for a boat tailed bullet, but you need to make sure that the BC you are using is a G7 BC. Stu [/QUOTE]
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Drop Charts- Please can you help me ???
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