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Long Range Hunting & Shooting
7mm Allen Mag vs 7mm RUM
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<blockquote data-quote="Fiftydriver" data-source="post: 170852" data-attributes="member: 10"><p>If you load a 338 Edge and a 338 Lapua up to same pressures, they will basically be identical in performance as they are within a grain or two in capacity.</p><p> </p><p>If you load the 7mm RUM and the 7mm-338 Lapua up to the same pressures, again they will be nearly identical in peformance.</p><p> </p><p>Case capacity of the 7mm AM is roughly 8 to 9 grains more then the 7mm RUM or 7mm-338 Lapua. Roughly 10% increase in case capacity.</p><p> </p><p>That in combination with the ability to be loaded to 65,000 to 68,000 psi comfortably is the reason for the increased velocity over the RUM.</p><p> </p><p>Kirby Allen(50)</p></blockquote><p></p>
[QUOTE="Fiftydriver, post: 170852, member: 10"] If you load a 338 Edge and a 338 Lapua up to same pressures, they will basically be identical in performance as they are within a grain or two in capacity. If you load the 7mm RUM and the 7mm-338 Lapua up to the same pressures, again they will be nearly identical in peformance. Case capacity of the 7mm AM is roughly 8 to 9 grains more then the 7mm RUM or 7mm-338 Lapua. Roughly 10% increase in case capacity. That in combination with the ability to be loaded to 65,000 to 68,000 psi comfortably is the reason for the increased velocity over the RUM. Kirby Allen(50) [/QUOTE]
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7mm Allen Mag vs 7mm RUM
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