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Rifles, Reloading, Optics, Equipment
Reloading
Reumbo pressure spike below freezing!
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<blockquote data-quote="tbrice23" data-source="post: 1257136" data-attributes="member: 59502"><p>Someone tell me I'm crazy. </p><p> I have worked up a load for 264wm with140vld and Retumbo up to 71.5 gr in 65° with mild pressure signs, so I backed down to 69.0 grains at 3250 fps average. </p><p></p><p>Today 30°F I shot some of the same ammo loaded 3 weeks ago and the velocity spiked to 3340fps and blown primers. This barrel is completely cleaned, no copper or carbon with a dry chamber verified with my bore scope. </p><p>Same lot of brass, primers, bullet and powder.</p><p></p><p>The only thing that changed is last week I did a several groups of RL 25, but I always clean to bare metal when I change to a different powder.</p><p></p><p>*** !! Help!</p></blockquote><p></p>
[QUOTE="tbrice23, post: 1257136, member: 59502"] Someone tell me I'm crazy. I have worked up a load for 264wm with140vld and Retumbo up to 71.5 gr in 65° with mild pressure signs, so I backed down to 69.0 grains at 3250 fps average. Today 30°F I shot some of the same ammo loaded 3 weeks ago and the velocity spiked to 3340fps and blown primers. This barrel is completely cleaned, no copper or carbon with a dry chamber verified with my bore scope. Same lot of brass, primers, bullet and powder. The only thing that changed is last week I did a several groups of RL 25, but I always clean to bare metal when I change to a different powder. *** !! Help! [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Reumbo pressure spike below freezing!
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