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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
short vs long mag
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<blockquote data-quote="Terry Kiever" data-source="post: 3098281" data-attributes="member: 129618"><p>Many years ago P.O. Ackley wrote two books. He Talked about bore ratio capacity, a point where a increased percentage of charge got diminished percentage of velocity. Also a minimum taper case caused pressures to equalize on the sides and lessened neck and rim pressure which decreased case stretching which minimized case trimming. (as I remember)</p></blockquote><p></p>
[QUOTE="Terry Kiever, post: 3098281, member: 129618"] Many years ago P.O. Ackley wrote two books. He Talked about bore ratio capacity, a point where a increased percentage of charge got diminished percentage of velocity. Also a minimum taper case caused pressures to equalize on the sides and lessened neck and rim pressure which decreased case stretching which minimized case trimming. (as I remember) [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
short vs long mag
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