Originally Posted By: reb8600
Originally Posted By: Don Fischer
I have heard about temperature sensitive powder since I started reloading. That was about 1966! I have never run into a problem that I'm aware of with any powder. I suspect temp can make a difference but I have never noticed it. I have never loaded and worked up loads in freezing weather, I like spring weather for working up loads. I have never hunted in weather in the 90+ range either. Make's me sweat to much. I just don't see this as being the problem it's made out to be but I do guarantee you one thing. You think you need it and someone is gonna develop it for you for a price! Manufacturer's are much more tuned into what you want than what you really need!


So you have never worked up a load in the winter or shot in 90+ degree weather but say that temp tolerant powder is not an issue. I have done both and can tell you that some are real sensitive to temperature fluctuations.


Yep, just about any Ball powder comes to mind. A Max load of H335 developed in 50 degree weather sure does change in 92 degree summer heat.
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Varmint Rifle Stable
-Sako 85S SS Varmint .22-250 Rem Vortex Gen II Viper PST 5-25x50
-Stiller TAC30 6MM Creedmoor 24" Bartlein Vortex LHT 3-15
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-Tikka T3 CTR Scout .223/Leupold VX5HD 2-10