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Rifles, Reloading, Optics, Equipment
Reloading
Advice on what's going wrong with my load!?
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<blockquote data-quote="Lefty7mmstw" data-source="post: 789713" data-attributes="member: 48043"><p>dollars to pesos you just have a load that is no good in cold weather. I've had it happen with I 7828 in my 7rem with 140 grain sierra pills. If the temp. dropped below 40 the accuracy went from 1/2 moa to three moa. The 150 nosler bt's with 7828 shoot well in both hot and cold temps in my 7rem though. I went to I 4064 with the 140 sierra and it's sub moa in both hot and cold. rl22 also does well though in both ranges with a 140 and it's almost as slow as 7828; go figure.The problem is the bullet wasn't loading the powder enough to burn as uniform in lold weather, even with a mag. primer. If you go to a bit faster powder the problem will probably go away.</p></blockquote><p></p>
[QUOTE="Lefty7mmstw, post: 789713, member: 48043"] dollars to pesos you just have a load that is no good in cold weather. I've had it happen with I 7828 in my 7rem with 140 grain sierra pills. If the temp. dropped below 40 the accuracy went from 1/2 moa to three moa. The 150 nosler bt's with 7828 shoot well in both hot and cold temps in my 7rem though. I went to I 4064 with the 140 sierra and it's sub moa in both hot and cold. rl22 also does well though in both ranges with a 140 and it's almost as slow as 7828; go figure.The problem is the bullet wasn't loading the powder enough to burn as uniform in lold weather, even with a mag. primer. If you go to a bit faster powder the problem will probably go away. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Advice on what's going wrong with my load!?
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