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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
300 Norma (or NMI) 230 Berger Hybrids real velocities
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<blockquote data-quote="7.62 Gunner" data-source="post: 2484756" data-attributes="member: 121641"><p>I had extractor marks at said velocities, I could push it hotter without heavy bolt lift but I knew better.</p><p>40 degree shoulders are known to reduce bolt thrust so when it happens you're already WAY over pressure.</p><p></p><p>I don't hate on the Shermans, I love 40 degree improved cases, but some just aren't worth improving. </p><p>Also I know enough about handloading to understand the stupid high velocities thrown around are 100% overpressure.</p></blockquote><p></p>
[QUOTE="7.62 Gunner, post: 2484756, member: 121641"] I had extractor marks at said velocities, I could push it hotter without heavy bolt lift but I knew better. 40 degree shoulders are known to reduce bolt thrust so when it happens you're already WAY over pressure. I don't hate on the Shermans, I love 40 degree improved cases, but some just aren't worth improving. Also I know enough about handloading to understand the stupid high velocities thrown around are 100% overpressure. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
300 Norma (or NMI) 230 Berger Hybrids real velocities
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