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What would you do?
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<blockquote data-quote="nicholasjohn" data-source="post: 1573738" data-attributes="member: 109113"><p>Yes, Sir - having the capability to use factory ammo in the standard cartridge is one of the big selling points of the Ackley Improved design. That was attractive to me, as well. Using factory 30-06 cartridges in an AI chamber gives you a slight reduction in velocity, but your rifle is still usable even if you don't have your own handloads with you. ( I typically got .308 Winchester velocities with factory 30-06 cartridges, and that was just fine. As is so often said, the deer didn't know the difference.) </p><p></p><p>I did not have the capability to use factory ammo until I had the second gunsmith did the job correctly. Once these cases were fire-formed & re-loaded, I got full 30-06 AI velocities - which were somewhere around 100 to 150 fps faster than the standard 30-06 ( depending on bullet weight.) </p><p></p><p>There are about as many different ideas floating around out there on how to execute a chambering job on the Ackley Improved cartridges as there are gunsmiths doing it. They can have their reamers cut any way they want to, but if you want to maintain the capability to safely shoot factory loads, the AI chamber must be cut a little bit shorter than SAAMI specs for the standard cartridge at the neck/shoulder juncture. Otherwise, you will have problems.</p></blockquote><p></p>
[QUOTE="nicholasjohn, post: 1573738, member: 109113"] Yes, Sir - having the capability to use factory ammo in the standard cartridge is one of the big selling points of the Ackley Improved design. That was attractive to me, as well. Using factory 30-06 cartridges in an AI chamber gives you a slight reduction in velocity, but your rifle is still usable even if you don't have your own handloads with you. ( I typically got .308 Winchester velocities with factory 30-06 cartridges, and that was just fine. As is so often said, the deer didn't know the difference.) I did not have the capability to use factory ammo until I had the second gunsmith did the job correctly. Once these cases were fire-formed & re-loaded, I got full 30-06 AI velocities - which were somewhere around 100 to 150 fps faster than the standard 30-06 ( depending on bullet weight.) There are about as many different ideas floating around out there on how to execute a chambering job on the Ackley Improved cartridges as there are gunsmiths doing it. They can have their reamers cut any way they want to, but if you want to maintain the capability to safely shoot factory loads, the AI chamber must be cut a little bit shorter than SAAMI specs for the standard cartridge at the neck/shoulder juncture. Otherwise, you will have problems. [/QUOTE]
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