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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Ballistics Program question?
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<blockquote data-quote="Michael Eichele" data-source="post: 138929" data-attributes="member: 1007"><p>I also meant to add to my first reply. When you are trying to come up with an accurate BC and drag model for your loads, it is ABSOLUTLEY critical to ensure you are inputing the correct atmospheric conditions. This will include Temperature, humidity, and barometric pressure. Altitude is meaningless unless you dont know the raw pressure, then use altitude and hope the pressure that day was average and not unusualy high or low. Using raw pressure however will be the most accurate way to calculate your ballistics. Also make extra sure your 300 yard zero is really a 300 yard zero and not just close.</p></blockquote><p></p>
[QUOTE="Michael Eichele, post: 138929, member: 1007"] I also meant to add to my first reply. When you are trying to come up with an accurate BC and drag model for your loads, it is ABSOLUTLEY critical to ensure you are inputing the correct atmospheric conditions. This will include Temperature, humidity, and barometric pressure. Altitude is meaningless unless you dont know the raw pressure, then use altitude and hope the pressure that day was average and not unusualy high or low. Using raw pressure however will be the most accurate way to calculate your ballistics. Also make extra sure your 300 yard zero is really a 300 yard zero and not just close. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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Ballistics Program question?
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