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Hunting
Long Range Hunting & Shooting
270 Winchester Ackley Improved
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<blockquote data-quote="budlight" data-source="post: 458726" data-attributes="member: 2939"><p>I have that same book "PO Ackley" It was all written with knowledge and data from basically pre 1970. This is before the days of 20 custom barrel makers making longer than 24 inch barrels and slower burning modern powder choices. </p><p></p><p>I was just looking through that PO book the other day and he seemed to use very hot powders for the majority of loads and the slowest you see is like IMR 4350 or maybe IMR 4831. That is the stuff I use for my lightest bullets</p><p></p><p>Yes, a 270 AI would be over bore for a 22 inch barrel. Poor old Mr Ackley would roll over in his grave at the site of Utra mags or something like my 30-378</p></blockquote><p></p>
[QUOTE="budlight, post: 458726, member: 2939"] I have that same book "PO Ackley" It was all written with knowledge and data from basically pre 1970. This is before the days of 20 custom barrel makers making longer than 24 inch barrels and slower burning modern powder choices. I was just looking through that PO book the other day and he seemed to use very hot powders for the majority of loads and the slowest you see is like IMR 4350 or maybe IMR 4831. That is the stuff I use for my lightest bullets Yes, a 270 AI would be over bore for a 22 inch barrel. Poor old Mr Ackley would roll over in his grave at the site of Utra mags or something like my 30-378 [/QUOTE]
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270 Winchester Ackley Improved
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