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Long Range Hunting & Shooting
10 mph head wind not easy
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<blockquote data-quote="Mike Matteson" data-source="post: 2899242" data-attributes="member: 101791"><p>In the area I have hunt in from S Calif, Az to the mountains in Colo and Montana and few other place the temp can change and easy 130' between them.</p><p>Colo I have hunted in -20. and Az and Calif it's been over 110'. So do the math. That a 130' change. Even if you split the different and test reloads at the means. That still 65' possible change in temp. That mean that there could be a 65fps different between velocity. Guess what you missed at a 1000yds. So your powder can play a big difference in POI at different ranges. </p><p>Now I have hunted in all these state and more for deer. Elk in Colo, and MT. Colo can get below -20, and Az or Calif can get in the 110'+ weather in those seasons you hunt in where. </p><p>Now there a few powder that don't change much, but more change a lot. </p><p>To me these are factor that have to be figured in to make those 1000yd shot at any game. Big or small. </p><p>I'll add a chart from Hodgdon powders on temperature effects. i wish they listed more, It's far better than nothing. </p><p>I try to gather information and save it. There isn't much out there, but there powders that don't change much in wide range of temp swings.</p></blockquote><p></p>
[QUOTE="Mike Matteson, post: 2899242, member: 101791"] In the area I have hunt in from S Calif, Az to the mountains in Colo and Montana and few other place the temp can change and easy 130' between them. Colo I have hunted in -20. and Az and Calif it's been over 110'. So do the math. That a 130' change. Even if you split the different and test reloads at the means. That still 65' possible change in temp. That mean that there could be a 65fps different between velocity. Guess what you missed at a 1000yds. So your powder can play a big difference in POI at different ranges. Now I have hunted in all these state and more for deer. Elk in Colo, and MT. Colo can get below -20, and Az or Calif can get in the 110'+ weather in those seasons you hunt in where. Now there a few powder that don't change much, but more change a lot. To me these are factor that have to be figured in to make those 1000yd shot at any game. Big or small. I'll add a chart from Hodgdon powders on temperature effects. i wish they listed more, It's far better than nothing. I try to gather information and save it. There isn't much out there, but there powders that don't change much in wide range of temp swings. [/QUOTE]
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10 mph head wind not easy
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