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The Range
Ammo & Reloading
Over pressure?
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<blockquote data-quote="swampratt" data-source="post: 3210724" data-attributes="member: 15054"><p>Federal primers are softer cup than CCI and will flow or crater more and flatten much more.</p><p>Those primers do not look too bad really You may have a loose fitting firing pin.</p><p>I have some dandy loads that make a primer look much flatter than yours.</p><p>Primers are not the end all pressure indicator.</p><p>I never go by primer unless it is pierced and I have loaded brass to the point of piercing primers just too see what max really was for different primers.</p><p>It was a test in .223 with CCI 400 cci 450 and cci 550 primers and the CCI 400 pierced and cratered before the 550 and the 450 looked fine and dandy.</p><p></p><p>I do not condone doing it.</p></blockquote><p></p>
[QUOTE="swampratt, post: 3210724, member: 15054"] Federal primers are softer cup than CCI and will flow or crater more and flatten much more. Those primers do not look too bad really You may have a loose fitting firing pin. I have some dandy loads that make a primer look much flatter than yours. Primers are not the end all pressure indicator. I never go by primer unless it is pierced and I have loaded brass to the point of piercing primers just too see what max really was for different primers. It was a test in .223 with CCI 400 cci 450 and cci 550 primers and the CCI 400 pierced and cratered before the 550 and the 450 looked fine and dandy. I do not condone doing it. [/QUOTE]
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