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Rifles, Reloading, Optics, Equipment
Reloading
New brass and pressure
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<blockquote data-quote="tonyf3" data-source="post: 2451818" data-attributes="member: 6649"><p>My belted mags (7mm and 300) have about a 1.5-2 grain reduction from virgin to 1x fired brass with Retumbo. </p><p>I stopped doing any real load dev work on virgin brass especially if the barrel is new because the barrel will speed up as well. With a new barrel I load to a moderate velocity. Load up 100 and shoot the brass and let the barrel start to speed up.</p></blockquote><p></p>
[QUOTE="tonyf3, post: 2451818, member: 6649"] My belted mags (7mm and 300) have about a 1.5-2 grain reduction from virgin to 1x fired brass with Retumbo. I stopped doing any real load dev work on virgin brass especially if the barrel is new because the barrel will speed up as well. With a new barrel I load to a moderate velocity. Load up 100 and shoot the brass and let the barrel start to speed up. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
New brass and pressure
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