NMRoy Posted January 23, 2013 Share Posted January 23, 2013 Here's my question: I life at 3200ft above sea level, dry climate. If I traveled to Louisiana for a competition, how would my ammunition chrono at sea level, hot and humid? Thanks for the feedback. Link to comment Share on other sites More sharing options...
Steve RA Posted January 23, 2013 Share Posted January 23, 2013 The air, being thicker, would slow it some. Main thing to cause difference would be the temp, which way would depend on the powder you use. Some powders increase pressure with when warmer, some slow down. Doubt it would move PF more than a notch or two either way. I always tried to be 5 above the limit and never had any problem anywhere I shot. Link to comment Share on other sites More sharing options...
lynn jones Posted January 23, 2013 Share Posted January 23, 2013 little or no difference over the 10-15 feet to the chrono. Link to comment Share on other sites More sharing options...
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