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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
300 PRC or 30 Sherman mag
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<blockquote data-quote="highdrum" data-source="post: 2025923" data-attributes="member: 13732"><p>Case taper is cut in half, the shoulder gets blown out to 40° from saami 30°. The prc has little taper to begin with, there may be a 2-3gr increase. However what is happening, the geometry is altered to give the Sherman case the ability to run higher pressure without getting traditional pressure signs until much higher than normal.</p></blockquote><p></p>
[QUOTE="highdrum, post: 2025923, member: 13732"] Case taper is cut in half, the shoulder gets blown out to 40° from saami 30°. The prc has little taper to begin with, there may be a 2-3gr increase. However what is happening, the geometry is altered to give the Sherman case the ability to run higher pressure without getting traditional pressure signs until much higher than normal. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
300 PRC or 30 Sherman mag
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