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Rifles, Reloading, Optics, Equipment
7mm STW
What am I missing??
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<blockquote data-quote="Lefty7mmstw" data-source="post: 1008375" data-attributes="member: 48043"><p><a href="http://www.hornady.com/ballistics-resource/ballistics-calculator" target="_blank">Ballistics Calculator - Hornady Manufacturing, Inc</a></p><p> </p><p>using a 640 bc and 2900 fps I got a 6.6" drop (from zero) if zero'd at 200 and an 8.8" drop difference if zero'd at 100. I was guessing at the berger's bc but it is at least in the ballpark from what midway says. Keep in mind barrels, velocity, and altitude affect the bc you really get.</p></blockquote><p></p>
[QUOTE="Lefty7mmstw, post: 1008375, member: 48043"] [URL="http://www.hornady.com/ballistics-resource/ballistics-calculator"]Ballistics Calculator - Hornady Manufacturing, Inc[/URL] using a 640 bc and 2900 fps I got a 6.6" drop (from zero) if zero'd at 200 and an 8.8" drop difference if zero'd at 100. I was guessing at the berger's bc but it is at least in the ballpark from what midway says. Keep in mind barrels, velocity, and altitude affect the bc you really get. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
7mm STW
What am I missing??
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