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Rifles, Reloading, Optics, Equipment
Reloading
1st time pressure test
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<blockquote data-quote="couesaddict" data-source="post: 1485100" data-attributes="member: 77536"><p>New brass has more room in the chamber than once fired. Escpecially if you do minimum resizing to keep tolerances close. By having that extra tolerance, new brass will soak up some of the energy expanding out to the chamber dimensions and hide pressure signs. My guess is, actual pressure is very similar between once fired and new but I just had a load that performed flawless with new brass in my 300rum, stick with once fired brass. Within 10fps velocity between the two. I backed off another grain and things are shooting fine. Cost me 50fps though.</p></blockquote><p></p>
[QUOTE="couesaddict, post: 1485100, member: 77536"] New brass has more room in the chamber than once fired. Escpecially if you do minimum resizing to keep tolerances close. By having that extra tolerance, new brass will soak up some of the energy expanding out to the chamber dimensions and hide pressure signs. My guess is, actual pressure is very similar between once fired and new but I just had a load that performed flawless with new brass in my 300rum, stick with once fired brass. Within 10fps velocity between the two. I backed off another grain and things are shooting fine. Cost me 50fps though. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
1st time pressure test
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