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Rifles, Reloading, Optics, Equipment
Reloading
280AI trim length
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<blockquote data-quote="Anakalypto" data-source="post: 1057196" data-attributes="member: 53384"><p>What I don't get is the 280 Rem minimum chamber length is 2.56. The 280 Ackley minimum chamber length is 2.56. So why would the case length spec on the 280 Rem be 2.54 and the Ackley be 2.525? Regardless of the angle of the shoulder and length of the neck wouldn't you be more consistent in establishing what length short of the chamber would be your target?</p><p> </p><p>Is a gun is chambered SAAMI 2.56 I would think your trim length would be around 2.54 as well? Or am I reading these wrong? I understand the difference in shoulder location from the old AI to the new specs... but as far as target trim length it seems they would be similar. It seems the SAAMI case length is too short.</p><p> </p><p><a href="http://www.saami.org/pubresources/cc_drawings/Rifle/280%20Remington%20-%207mm%20Express.pdf" target="_blank">http://www.saami.org/pubresources/cc_drawings/Rifle/280%20Remington%20-%207mm%20Express.pdf</a></p><p> </p><p><a href="http://www.saami.org/pubresources/cc_drawings/Rifle/280%20Ackley%20Improved.pdf" target="_blank">http://www.saami.org/pubresources/cc_drawings/Rifle/280 Ackley Improved.pdf</a></p></blockquote><p></p>
[QUOTE="Anakalypto, post: 1057196, member: 53384"] What I don't get is the 280 Rem minimum chamber length is 2.56. The 280 Ackley minimum chamber length is 2.56. So why would the case length spec on the 280 Rem be 2.54 and the Ackley be 2.525? Regardless of the angle of the shoulder and length of the neck wouldn't you be more consistent in establishing what length short of the chamber would be your target? Is a gun is chambered SAAMI 2.56 I would think your trim length would be around 2.54 as well? Or am I reading these wrong? I understand the difference in shoulder location from the old AI to the new specs... but as far as target trim length it seems they would be similar. It seems the SAAMI case length is too short. [URL="http://www.saami.org/pubresources/cc_drawings/Rifle/280%20Remington%20-%207mm%20Express.pdf"]http://www.saami.org/pubresources/cc_drawings/Rifle/280%20Remington%20-%207mm%20Express.pdf[/URL] [URL]http://www.saami.org/pubresources/cc_drawings/Rifle/280%20Ackley%20Improved.pdf[/URL] [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
280AI trim length
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