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Rifles, Reloading, Optics, Equipment
Reloading
Powder temperature sensitivity
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<blockquote data-quote="Coach Hunt" data-source="post: 333625" data-attributes="member: 18430"><p>Fellow shooters,</p><p> </p><p>I've mostly used Hodgdon, because that is available locally. IMR powders I've used were much "milder" in freezing temperatures. I want to improve velocity in one cartridge, and the manuals show Ramshot's Magnum powder and Accurate's Magpro powder to give 150 to 200 fps more velocity than what I can currently get with either H4831 or H4350... The Hodgdon based velocities are measured on chrono. RL17 proved to shoot a full 200 fps faster in this cartridge than either Hodgdon powder used. I've read several threads about the RL17's temperature characteristics, but nothing on the Magnum or Magpro powders. What I MUST know is: What is the relative temperature sensitivity of each of these powders??? I ask because I must work up the loads near 75 degrees, yet hunt at freezing or below. Which will be more stable throughout the temperature range??? Who can help???</p><p> </p><p>Thanks,</p><p> </p><p>Coach</p></blockquote><p></p>
[QUOTE="Coach Hunt, post: 333625, member: 18430"] Fellow shooters, I've mostly used Hodgdon, because that is available locally. IMR powders I've used were much "milder" in freezing temperatures. I want to improve velocity in one cartridge, and the manuals show Ramshot's Magnum powder and Accurate's Magpro powder to give 150 to 200 fps more velocity than what I can currently get with either H4831 or H4350... The Hodgdon based velocities are measured on chrono. RL17 proved to shoot a full 200 fps faster in this cartridge than either Hodgdon powder used. I've read several threads about the RL17's temperature characteristics, but nothing on the Magnum or Magpro powders. What I MUST know is: What is the relative temperature sensitivity of each of these powders??? I ask because I must work up the loads near 75 degrees, yet hunt at freezing or below. Which will be more stable throughout the temperature range??? Who can help??? Thanks, Coach [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Powder temperature sensitivity
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