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Hunting
Extreme Long Range Hunting & Shooting (ELR)
338 allen express vs. 338-378 weatherby (not starting a war thread)
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<blockquote data-quote="Deleted member 46119" data-source="post: 1329209"><p>Well, since P.O. Ackley has passed to the great wildcatters bench in the sky and the "338-378 Ackley Improved" does not exist, it's a common vernacular application to the technique of decreasing the body taper and increasing the shoulder angle of a cartridges while maintaining the same base to neck length so that the parent cartridge can be loaded and fired safely with no modifications. Post firing result is fully formed brass for the "improved" version.</p><p></p><p>You probably know all that. There are quite a few cartridges that have received the "Ackley Improved" treatment by someone other than P.O. Ackley. One such cartridge as you know is the 338 AX. </p><p></p><p>A cartridge that does not exist except on my "drawing board" (data in my computer) is the 338-378 "Ackley Improved". The 338-378 is a little "bigger" than a 338 AX and smaller than a 338 AM. If I/you apply all the same dimensional changes that P.O. Ackley did to the 300 Weatherby Magnum to make the 300 Ackley to the 338-378 them you would get the cartridge I am referring to. An "Ackley Improved" version of the 338-378. </p><p></p><p>Add to that there is "basic" brass that is longer than trim to length of the 338-378. Apply the dimensions to that case and make the body as long as possible and there is the 338-378 "Ackley Improved Long".</p></blockquote><p></p>
[QUOTE="Deleted member 46119, post: 1329209"] Well, since P.O. Ackley has passed to the great wildcatters bench in the sky and the "338-378 Ackley Improved" does not exist, it's a common vernacular application to the technique of decreasing the body taper and increasing the shoulder angle of a cartridges while maintaining the same base to neck length so that the parent cartridge can be loaded and fired safely with no modifications. Post firing result is fully formed brass for the "improved" version. You probably know all that. There are quite a few cartridges that have received the "Ackley Improved" treatment by someone other than P.O. Ackley. One such cartridge as you know is the 338 AX. A cartridge that does not exist except on my "drawing board" (data in my computer) is the 338-378 "Ackley Improved". The 338-378 is a little "bigger" than a 338 AX and smaller than a 338 AM. If I/you apply all the same dimensional changes that P.O. Ackley did to the 300 Weatherby Magnum to make the 300 Ackley to the 338-378 them you would get the cartridge I am referring to. An "Ackley Improved" version of the 338-378. Add to that there is "basic" brass that is longer than trim to length of the 338-378. Apply the dimensions to that case and make the body as long as possible and there is the 338-378 "Ackley Improved Long". [/QUOTE]
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Extreme Long Range Hunting & Shooting (ELR)
338 allen express vs. 338-378 weatherby (not starting a war thread)
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