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Hunting
Long Range Hunting & Shooting
270 Winchester Ackley Improved Load Data
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<blockquote data-quote="old varmint" data-source="post: 1331656" data-attributes="member: 2126"><p>I have been playing around with Ackley cartridges for the last 20 years chronographing both Ackley loads and the parent case loads. Ackley commented that the 22-250 AI and the 25-06 AI along with many others were not worth pursuing but these are cartridges that I own, with today's modern slower burning powders both of these cartridges will achieve velocity increases of around 200 ft per second over the parent case using the same components. Pressure levels have remained in the vicinity of normal pressures. The big problem with these cases is that often the usual pressure signs do not show until it is almost too late.</p></blockquote><p></p>
[QUOTE="old varmint, post: 1331656, member: 2126"] I have been playing around with Ackley cartridges for the last 20 years chronographing both Ackley loads and the parent case loads. Ackley commented that the 22-250 AI and the 25-06 AI along with many others were not worth pursuing but these are cartridges that I own, with today's modern slower burning powders both of these cartridges will achieve velocity increases of around 200 ft per second over the parent case using the same components. Pressure levels have remained in the vicinity of normal pressures. The big problem with these cases is that often the usual pressure signs do not show until it is almost too late. [/QUOTE]
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270 Winchester Ackley Improved Load Data
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