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Rifles, Reloading, Optics, Equipment
Reloading
Seating depth and pressure
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<blockquote data-quote="Steve Shelp" data-source="post: 168002" data-attributes="member: 22"><p>crittergitter,</p><p> When you got the ejector mark on the case head, was this the first firing for the brass? Any oil/cleaning solvent left in the chamber by any chance?</p><p></p><p> I have seen the first or second firings on brass leave ejector marks numerous times. I normally take a single cut file and simply shave it off never to have it appear again. So you have to be careful using that mark as a true indicator of pressure. Botton line when using more powder you have more pressure with all else equal. The fact that you were still .020" off the lands even with the COL probably didn't make a big enough difference in pressure to even measure. Now if you were touching the lands and moved it that far.. that would be a different story.</p><p></p><p> I'm curious about the answer to my first couple of questions though. That is where I would look first.</p><p></p><p>Steve</p></blockquote><p></p>
[QUOTE="Steve Shelp, post: 168002, member: 22"] crittergitter, When you got the ejector mark on the case head, was this the first firing for the brass? Any oil/cleaning solvent left in the chamber by any chance? I have seen the first or second firings on brass leave ejector marks numerous times. I normally take a single cut file and simply shave it off never to have it appear again. So you have to be careful using that mark as a true indicator of pressure. Botton line when using more powder you have more pressure with all else equal. The fact that you were still .020" off the lands even with the COL probably didn't make a big enough difference in pressure to even measure. Now if you were touching the lands and moved it that far.. that would be a different story. I'm curious about the answer to my first couple of questions though. That is where I would look first. Steve [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Seating depth and pressure
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