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<blockquote data-quote="paphil" data-source="post: 491848" data-attributes="member: 17745"><p>For a high BC bullet( 7mm , 6.5-284) at 1000yards 40 degrees cooler will result in the POI being about 7 inches LOW. At 750 yards the difference would be 2 inches LOW and there would be very little difference from 500 yards down. 40 degrees temperature change is almost identical to a 2000 foot change in elevation so yes they can cancel each other out. They must be in opposite directions to cancel out .</p></blockquote><p></p>
[QUOTE="paphil, post: 491848, member: 17745"] For a high BC bullet( 7mm , 6.5-284) at 1000yards 40 degrees cooler will result in the POI being about 7 inches LOW. At 750 yards the difference would be 2 inches LOW and there would be very little difference from 500 yards down. 40 degrees temperature change is almost identical to a 2000 foot change in elevation so yes they can cancel each other out. They must be in opposite directions to cancel out . [/QUOTE]
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