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Rifles, Reloading, Optics, Equipment
Reloading
Retumbo and temps
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<blockquote data-quote="LRShooter7mm" data-source="post: 1226941" data-attributes="member: 94401"><p>I am somewhat new still to reloading so I thought I would ask a question on here. So anyway I was under the impression that Retumbo is a pretty stable powder for temp variations? I was working on a load for my 7mm rm I worked up from 70 gr to 72 gr in .5 gr increments. I found a load that was shooting .75 at 100 at 25°C. After that testing i went back home to try loading a few more rounds with .2 gr increase and .2 gr decrease and the exact same but at 8°C. All 3 groups were more then 1.5 inches nothing tighter. So I thought maybe Retumbo isn't as stable as I thought it was when compressed anyone have any thoughts or experiences similar with Retumbo? Thanks for any and all help</p></blockquote><p></p>
[QUOTE="LRShooter7mm, post: 1226941, member: 94401"] I am somewhat new still to reloading so I thought I would ask a question on here. So anyway I was under the impression that Retumbo is a pretty stable powder for temp variations? I was working on a load for my 7mm rm I worked up from 70 gr to 72 gr in .5 gr increments. I found a load that was shooting .75 at 100 at 25°C. After that testing i went back home to try loading a few more rounds with .2 gr increase and .2 gr decrease and the exact same but at 8°C. All 3 groups were more then 1.5 inches nothing tighter. So I thought maybe Retumbo isn't as stable as I thought it was when compressed anyone have any thoughts or experiences similar with Retumbo? Thanks for any and all help [/QUOTE]
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Retumbo and temps
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