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#3
12-13-2005, 12:09 PM
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Some powders are more temperature than others. Some are specially formulated to be less so. Examples are:
The Hodgdon Extreme line Ramshot powders RL-15 You may not notice much change, even when using other powders. One rule of thumb says that velocities will change about 10 fps for every degree from the temperature when the load was developed. If that rule holds (and I cannot verify that it does) then it would take a 30-degree shift to change velocity by 300 fps.
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