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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
.300 H&H Mag vs. .300 Win Mag in a magnum action
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<blockquote data-quote="MudRunner2005" data-source="post: 1003224" data-attributes="member: 12995"><p>Here's a good chart for comparrison.</p><p> </p><p>The differences in the .300 Ackley vs the .300 AMU is virtually non-existant. They are for all intensive purposes, the same exact cartridge with a different name. I believe the only difference is that the AMU might have a slightly taller shoulder angle. It appears to have a 30-degree shoulder, whereas the Ackley has a 40-degree shoulder. I could be wrong, but, that's what it looks like when comparing the 2 in the picture below.</p><p> </p><p>Also, the AMU was developed by the AMU - Army Marksmanship Unit for sniper comps, and the Ackley was designed by....Well.... P.O. Ackley. <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite8" alt=":D" title="Big Grin :D" loading="lazy" data-shortname=":D" /> So, it comes down to 2 different people's takes on the same exact cartridge.</p><p> </p><p>Not sure which came first, the chicken, or the egg....But I would guess the Ackley came about first, since the AMU wasn't around before 1956. But that's also just a guess.</p><p> </p><p> </p><p><img src="http://4.bp.blogspot.com/-gcTGADEmN70/T6x4ma44lfI/AAAAAAAADoo/1o2IrV8_tRk/s1600/300mags.JPG" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p></blockquote><p></p>
[QUOTE="MudRunner2005, post: 1003224, member: 12995"] Here's a good chart for comparrison. The differences in the .300 Ackley vs the .300 AMU is virtually non-existant. They are for all intensive purposes, the same exact cartridge with a different name. I believe the only difference is that the AMU might have a slightly taller shoulder angle. It appears to have a 30-degree shoulder, whereas the Ackley has a 40-degree shoulder. I could be wrong, but, that's what it looks like when comparing the 2 in the picture below. Also, the AMU was developed by the AMU - Army Marksmanship Unit for sniper comps, and the Ackley was designed by....Well.... P.O. Ackley. :D So, it comes down to 2 different people's takes on the same exact cartridge. Not sure which came first, the chicken, or the egg....But I would guess the Ackley came about first, since the AMU wasn't around before 1956. But that's also just a guess. [IMG]http://4.bp.blogspot.com/-gcTGADEmN70/T6x4ma44lfI/AAAAAAAADoo/1o2IrV8_tRk/s1600/300mags.JPG[/IMG] [/QUOTE]
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.300 H&H Mag vs. .300 Win Mag in a magnum action
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