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Rifles, Reloading, Optics, Equipment
Reloading
Primers: Std. vs. Magnum
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<blockquote data-quote="lotech" data-source="post: 1934048" data-attributes="member: 63141"><p>With regard to .223 loads for ARs, I've found generally, not always, that I get best accuracy with CCI-400s, followed by CCI-450s, and then Remington 7 1/2. The differences are small but enough to notice. However, I normally use the CCI-450s because of the thicker cup, but any of these primers work fine. Best to test them in your gun to be sure. </p><p></p><p>I'd have to look up chronograph figures, but I don't recall much difference in muzzle velocities with any of the primers.</p></blockquote><p></p>
[QUOTE="lotech, post: 1934048, member: 63141"] With regard to .223 loads for ARs, I've found generally, not always, that I get best accuracy with CCI-400s, followed by CCI-450s, and then Remington 7 1/2. The differences are small but enough to notice. However, I normally use the CCI-450s because of the thicker cup, but any of these primers work fine. Best to test them in your gun to be sure. I'd have to look up chronograph figures, but I don't recall much difference in muzzle velocities with any of the primers. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Primers: Std. vs. Magnum
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