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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Is there such a thing....
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<blockquote data-quote="Trickymissfit" data-source="post: 1131539" data-attributes="member: 25383"><p>Without his books in front of me, I'd have to say no. Others may have, but not Parker Ackley. The 7mm Rem. mag was one of his favorite cartridges, and he often said it was near perfect. He also liked the 7mm WBY. mag. An improved (using P.O.'s formula) 7mm mag would only show a very minimal improvement with a .490" shoulder diameter. Still you might gain a grain or two of powder with the 40 degree shoulder. Probably be better off with the .308 Norma mag case as it's .059" longer, yet nearly the same other wise. You approach the Weatherby, and you start getting into serious overbore. Still nothing like the Ultra mags.</p><p>gary</p></blockquote><p></p>
[QUOTE="Trickymissfit, post: 1131539, member: 25383"] Without his books in front of me, I'd have to say no. Others may have, but not Parker Ackley. The 7mm Rem. mag was one of his favorite cartridges, and he often said it was near perfect. He also liked the 7mm WBY. mag. An improved (using P.O.'s formula) 7mm mag would only show a very minimal improvement with a .490" shoulder diameter. Still you might gain a grain or two of powder with the 40 degree shoulder. Probably be better off with the .308 Norma mag case as it's .059" longer, yet nearly the same other wise. You approach the Weatherby, and you start getting into serious overbore. Still nothing like the Ultra mags. gary [/QUOTE]
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