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Rifles, Reloading, Optics, Equipment
Reloading
Question - pressure or poor primer seating
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<blockquote data-quote="Barrelnut" data-source="post: 1097413" data-attributes="member: 74902"><p>I agree. That's pressure. Hard to tell just from primers a lot of times because they can be misleading. BUT - your second pic shows shows shiny ejector marks on the <strong>3</strong> (left cartridge) and on the <strong>S</strong> (on the right cartridge). That's pressure for sure. You should still back off some. Might not blow up on you, but will shorten case life and cause loose primer pockets sooner.</p><p></p><p>+PLUS - you are probably aware RL17 is pretty temp sensitive (no matter what the marketing says). It is good that you are working up the load in the summer, but still this needs to be thought about.</p><p></p><p>I got pressure signs about like yours in my 300 WSM with: RL17 63-63.5gn and 215 Hybrids with Norma brass with F215M. I bet if you come down to 62-62.5gn you will see those shiny ejector marks go away.</p></blockquote><p></p>
[QUOTE="Barrelnut, post: 1097413, member: 74902"] I agree. That's pressure. Hard to tell just from primers a lot of times because they can be misleading. BUT - your second pic shows shows shiny ejector marks on the [B]3[/B] (left cartridge) and on the [B]S[/B] (on the right cartridge). That's pressure for sure. You should still back off some. Might not blow up on you, but will shorten case life and cause loose primer pockets sooner. +PLUS - you are probably aware RL17 is pretty temp sensitive (no matter what the marketing says). It is good that you are working up the load in the summer, but still this needs to be thought about. I got pressure signs about like yours in my 300 WSM with: RL17 63-63.5gn and 215 Hybrids with Norma brass with F215M. I bet if you come down to 62-62.5gn you will see those shiny ejector marks go away. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Question - pressure or poor primer seating
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