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Rifles, Reloading, Optics, Equipment
Reloading
300 RUM help
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<blockquote data-quote="rcdinaz" data-source="post: 559357" data-attributes="member: 31581"><p>I am in AZ and recently went through this as well but not quite as extreme. I think the big changes in temp and humidity we have can cause a lot of this. We do have changes of 30 deg or so depending on the day and time especially lately and people forget that it gets 140 - 160 deg in your car or trunk. I ended up switching to H1000 and have had better results so far. I am comparing Fed and CCI primers right now but have not fired enough rounds to have definitive results yet. I am shooting the 190 VLD's around 3200 fps. </p><p></p><p>The only way to know for sure is to have two chrono's you can shoot through to compare. I am in the south east valley or I would gladly let you borrow mine.</p></blockquote><p></p>
[QUOTE="rcdinaz, post: 559357, member: 31581"] I am in AZ and recently went through this as well but not quite as extreme. I think the big changes in temp and humidity we have can cause a lot of this. We do have changes of 30 deg or so depending on the day and time especially lately and people forget that it gets 140 - 160 deg in your car or trunk. I ended up switching to H1000 and have had better results so far. I am comparing Fed and CCI primers right now but have not fired enough rounds to have definitive results yet. I am shooting the 190 VLD's around 3200 fps. The only way to know for sure is to have two chrono's you can shoot through to compare. I am in the south east valley or I would gladly let you borrow mine. [/QUOTE]
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