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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
7 PRC SAAMI approved
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<blockquote data-quote="highdrum" data-source="post: 2444503" data-attributes="member: 13732"><p>No, it's not. The 300prc necked down to 284, is a 7mm-300prc. It has a 30° shoulder and 0.010/" taper, not a 40° shoulder and 0.0067/" taper ala PO Ackley shoulder Sherman taper. The 28SM is a 7/300prc improved. Guys pushing 195s at 3200 fps with 97 gr of powder where a 28 nosler which holds 103gr powder usually pressures out at 3130-3150. How is this possible in the realm of physics?</p></blockquote><p></p>
[QUOTE="highdrum, post: 2444503, member: 13732"] No, it's not. The 300prc necked down to 284, is a 7mm-300prc. It has a 30° shoulder and 0.010/" taper, not a 40° shoulder and 0.0067/" taper ala PO Ackley shoulder Sherman taper. The 28SM is a 7/300prc improved. Guys pushing 195s at 3200 fps with 97 gr of powder where a 28 nosler which holds 103gr powder usually pressures out at 3130-3150. How is this possible in the realm of physics? [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
7 PRC SAAMI approved
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