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Rifles, Reloading, Optics, Equipment
7mm STW
What am I missing??
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<blockquote data-quote="Halleywood" data-source="post: 1008397" data-attributes="member: 74105"><p>Berger has the BC at 659. I am expecting velocity to run around 2900-2950 in my rifle.</p><p> </p><p>Once I am able to shoot over my chronograph (magnetospeed) and get my known velocity, then shoot at say 500-600 yards to get my true drop, do I adjust the actual BC to match the drop I actually shot? </p><p> </p><p>So actual BC for the same bullet varies from rifle to rifle, location, etc? Good to know...I always thought that was the constant...thanks!!</p></blockquote><p></p>
[QUOTE="Halleywood, post: 1008397, member: 74105"] Berger has the BC at 659. I am expecting velocity to run around 2900-2950 in my rifle. Once I am able to shoot over my chronograph (magnetospeed) and get my known velocity, then shoot at say 500-600 yards to get my true drop, do I adjust the actual BC to match the drop I actually shot? So actual BC for the same bullet varies from rifle to rifle, location, etc? Good to know...I always thought that was the constant...thanks!! [/QUOTE]
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Rifles, Reloading, Optics, Equipment
7mm STW
What am I missing??
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