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Long Range Hunting & Shooting
280 Ackley improved or not.
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<blockquote data-quote="MudRunner2005" data-source="post: 856859" data-attributes="member: 12995"><p>A little bit of "AI-spice" makes everything nice... <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" /></p><p> </p><p>If I was building a .280, there's only 1 way to go.....Ackley Improved 40* shoulder SAAMI spec chamber, so you can load and shoot the Nosler 280 AI brass. gun)</p><p> </p><p>Yes, and no...On the fire-forming question. There are 2 different chambers. There is the original Parker Otto "PO" Ackley chamber...In which you CAN shoot regualr .280 Rem ammo in and it will properly fire-form.</p><p> </p><p>And there's the newer Nosler/SAAMI spec chamber, in which case it is .014" shorter than the orginal Ackley chamber. So you will either have to put your .280 brass through a new die-set that is cut to SAAMI spec to match your chamber, or you can just buy the Nosler .280 AI brass, and load your own from scratch (which is what I would do, because it's better brass than Rem UMC brass is).</p><p> </p><p>So, if I were building a .280 AI (which I have one in the works, just waiting on cash to order my barrel blank), I would go with a new PTG reamer: <a href="http://www.midwayusa.com/product/557493/ptg-solid-pilot-chamber-finish-reamer-280-remington-ackley-improved-40-degree-shoulder" target="_blank">http://www.midwayusa.com/product/557493/ptg-solid-pilot-chamber-finish-reamer-280-remington-ackley-improved-40-degree-shoulder</a> and a new set of RCBS dies: <a href="http://www.midwayusa.com/product/557635/rcbs-2-die-neck-sizer-set-280-remington-ackley-improved-40-degree-shoulder" target="_blank">http://www.midwayusa.com/product/557635/rcbs-2-die-neck-sizer-set-280-remington-ackley-improved-40-degree-shoulder</a> and some new Nosler .280 AI brass: <a href="http://www.midwayusa.com/product/128050/nosler-custom-reloading-brass-280-remington-ackley-improved-40-degree-shoulder-box-of-50" target="_blank">http://www.midwayusa.com/product/128050/nosler-custom-reloading-brass-280-remington-ackley-improved-40-degree-shoulder-box-of-50</a> and pick your bullets, powder, and primers of choice, and have some fun.</p></blockquote><p></p>
[QUOTE="MudRunner2005, post: 856859, member: 12995"] A little bit of "AI-spice" makes everything nice... :D If I was building a .280, there's only 1 way to go.....Ackley Improved 40* shoulder SAAMI spec chamber, so you can load and shoot the Nosler 280 AI brass. gun) Yes, and no...On the fire-forming question. There are 2 different chambers. There is the original Parker Otto "PO" Ackley chamber...In which you CAN shoot regualr .280 Rem ammo in and it will properly fire-form. And there's the newer Nosler/SAAMI spec chamber, in which case it is .014" shorter than the orginal Ackley chamber. So you will either have to put your .280 brass through a new die-set that is cut to SAAMI spec to match your chamber, or you can just buy the Nosler .280 AI brass, and load your own from scratch (which is what I would do, because it's better brass than Rem UMC brass is). So, if I were building a .280 AI (which I have one in the works, just waiting on cash to order my barrel blank), I would go with a new PTG reamer: [URL]http://www.midwayusa.com/product/557493/ptg-solid-pilot-chamber-finish-reamer-280-remington-ackley-improved-40-degree-shoulder[/URL] and a new set of RCBS dies: [URL]http://www.midwayusa.com/product/557635/rcbs-2-die-neck-sizer-set-280-remington-ackley-improved-40-degree-shoulder[/URL] and some new Nosler .280 AI brass: [URL]http://www.midwayusa.com/product/128050/nosler-custom-reloading-brass-280-remington-ackley-improved-40-degree-shoulder-box-of-50[/URL] and pick your bullets, powder, and primers of choice, and have some fun. [/QUOTE]
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