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Hunting
Long Range Hunting & Shooting
280 AI Velocity Validation
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<blockquote data-quote="30 Hammer" data-source="post: 1415644" data-attributes="member: 100604"><p>Do you have the G7 BC entered correctly? I would shoot it at 300,500 and 700 and gather the drop data from these 3 points as well as your zero range so 4 total points and get your actual MV / BC. I've had chronograph makers tell me their machines are perfect and that it's a BC issue when different and I've seen great shooters tell me that the chronograph is not much more than a bore sighting for speed.</p><p></p><p>So... shoot drop data to at least 70%</p><p>Of your max range and at at least 3 points and a zero - calculate your MV with a fixed BC.</p><p></p><p>Then test to your max range and call it a day.</p></blockquote><p></p>
[QUOTE="30 Hammer, post: 1415644, member: 100604"] Do you have the G7 BC entered correctly? I would shoot it at 300,500 and 700 and gather the drop data from these 3 points as well as your zero range so 4 total points and get your actual MV / BC. I’ve had chronograph makers tell me their machines are perfect and that it’s a BC issue when different and I’ve seen great shooters tell me that the chronograph is not much more than a bore sighting for speed. So... shoot drop data to at least 70% Of your max range and at at least 3 points and a zero - calculate your MV with a fixed BC. Then test to your max range and call it a day. [/QUOTE]
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