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Rifles, Reloading, Optics, Equipment
Reloading
300 rum loads?
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<blockquote data-quote="Lrt307" data-source="post: 1170990" data-attributes="member: 57068"><p>Think of it this way. A stick of 7mm brass measures 2.100 new. Once fire formed they will match whatever the chamber dimension is. Say 2.120. Measure the datum line with comparator and it's easy to see. Think of a small block Chevy engine with a 64 cc combustion chamber. Holds less space than a 76cc and creates more psi. Same scenario with brass that has not been fire formed. I have shot 270 7mag and 300 rum with Nosler brass and don't care for the fact you can't use your Remington or Winchester brass loads until you fire form Nosler brass. Once that happens it seems to work fine for me. I have learned the hard way trying to put my Remington and Winchester brass loads in Nosler right off the bat and it will blow the primer pockets out amongst other things.</p></blockquote><p></p>
[QUOTE="Lrt307, post: 1170990, member: 57068"] Think of it this way. A stick of 7mm brass measures 2.100 new. Once fire formed they will match whatever the chamber dimension is. Say 2.120. Measure the datum line with comparator and it's easy to see. Think of a small block Chevy engine with a 64 cc combustion chamber. Holds less space than a 76cc and creates more psi. Same scenario with brass that has not been fire formed. I have shot 270 7mag and 300 rum with Nosler brass and don't care for the fact you can't use your Remington or Winchester brass loads until you fire form Nosler brass. Once that happens it seems to work fine for me. I have learned the hard way trying to put my Remington and Winchester brass loads in Nosler right off the bat and it will blow the primer pockets out amongst other things. [/QUOTE]
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Reloading
300 rum loads?
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