Air density and bullet travel

houston

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Joined
Dec 21, 2007
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While this is my first full year of being trained to shoot long range 700-1100 yards, along with reloading, reading the wind, air temps ect. I have a question on air density and sound travel. When I can hear cars for miles away [light air density] my bullets shoot a minute low a 9 hundred yards, when there is no sound travel to be heard I shoot a minute high, this goes against what i've read, doesn't heavy air slow a bullet? This is usually around sundown.
Thanks,Jeff~
 
While this is my first full year of being trained to shoot long range 700-1100 yards, along with reloading, reading the wind, air temps ect. I have a question on air density and sound travel. When I can hear cars for miles away [light air density] my bullets shoot a minute low a 9 hundred yards, when there is no sound travel to be heard I shoot a minute high, this goes against what i've read, doesn't heavy air slow a bullet? This is usually around sundown.
Thanks,Jeff~

At only 100 yards, the air density should have no significant impact. I suspect you have some other problem such as light angle or????.......Rich
 
Thanks for answering rich. I never mentioned a 100 yards, 700 Yards on up??
Thanks Jeff~
 
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