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Tennessee Gun Owners Forums
Reloading
7mm PRC Optimal powder charge help... update... I give up!!!!
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<blockquote data-quote="jlanecr500" data-source="post: 5859008" data-attributes="member: 16430"><p>I ran the same load with N565. Same barrel time, 70gr N565, pressure up to 61.5kpsi, velocity up.only 10fps to 2861fps. However, when I bumped the barrel length up to 24", velocity went up to 2940fps. That's nearly 100fps. A 26" bbl would yield 3000fps.</p><p></p><p>I'm in the same boat with my 22" 6.5 PRC. PRC'S really need longer barrels in order to truly utilize its potential.</p></blockquote><p></p>
[QUOTE="jlanecr500, post: 5859008, member: 16430"] I ran the same load with N565. Same barrel time, 70gr N565, pressure up to 61.5kpsi, velocity up.only 10fps to 2861fps. However, when I bumped the barrel length up to 24", velocity went up to 2940fps. That's nearly 100fps. A 26" bbl would yield 3000fps. I'm in the same boat with my 22" 6.5 PRC. PRC'S really need longer barrels in order to truly utilize its potential. [/QUOTE]
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Tennessee Gun Owners Forums
Reloading
7mm PRC Optimal powder charge help... update... I give up!!!!
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