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Hunting
Long Range Hunting & Shooting
Sighting in during warmer weather than hunting weather
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<blockquote data-quote="DavidleeCole" data-source="post: 1361491" data-attributes="member: 85306"><p>I have a 300 weatrerby mag and it is zeroed at 100 yads shoot 180 gr. Nos accubond with 82.5 gr 7828 ssc. 3264 fps. At 70 deg. At 300 yards from 0 to 130 deg. I get .1 mill shift at 400 yards .2 mill at 500 .25 mill thats 4.29" so not much you may think but the furher you move out the more spread in inches you will have. I would suggest to use ballistics xrls 8.1 Or JBM ballistic calculators and check out the shift due to temp. As stated by another there is a lot more than powder burn rate that happens air density, air pressure and so much more. Under 300 for me I would focus on shooting fundamentals and the bullet drop the most and let the rest take care of it's self. Rember you will miss all the shoots you never take.</p></blockquote><p></p>
[QUOTE="DavidleeCole, post: 1361491, member: 85306"] I have a 300 weatrerby mag and it is zeroed at 100 yads shoot 180 gr. Nos accubond with 82.5 gr 7828 ssc. 3264 fps. At 70 deg. At 300 yards from 0 to 130 deg. I get .1 mill shift at 400 yards .2 mill at 500 .25 mill thats 4.29" so not much you may think but the furher you move out the more spread in inches you will have. I would suggest to use ballistics xrls 8.1 Or JBM ballistic calculators and check out the shift due to temp. As stated by another there is a lot more than powder burn rate that happens air density, air pressure and so much more. Under 300 for me I would focus on shooting fundamentals and the bullet drop the most and let the rest take care of it's self. Rember you will miss all the shoots you never take. [/QUOTE]
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Sighting in during warmer weather than hunting weather
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