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Best weather conditions for accuaracy

5529 Views 12 Replies 9 Participants Last post by  muzzleblast
What weather condtions produce the better results at the range? Forget about wind. We all know that no wind days are best. But, for instance can one expect to see better shot grouping on forty degree, low humidity days? Or, would higher humidity and warmer temperatures be better? How will these conditions, temp. and humidity effect bullet flight characteristics?
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shooting in a vacuum raises an interesting question, for me at least - is there enough air in the cartridge to enable all the powder to burn, or is there some inlet of air somewhere? from gcse chemistry i'd hazard a guess that there wouldn't be nearly enough, but i don't know how much of the cartridge is empty space. ideal conditions then would be shooting into a vacuum, say throguh a rubber sleeve type thing, could manufacturers do this and then quote the moa from that?
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