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Hunting
Long Range Hunting & Shooting
improved case question
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<blockquote data-quote="65WSM" data-source="post: 1006486" data-attributes="member: 9551"><p>I would bet on a one third gain in velocity compared to increase in powder charge at best. Using my 6.5-06 Ackley 26 inch barrel. I gain 9 percent in powder charge to get about 3 percent more velocity 90 fps.</p><p></p><p>I like the looks of the Ackley 40 degree shoulder. </p><p></p><p>The cases tend to stretch less than the factory parent cartridges. </p><p></p><p>Break action rifles like the G2 or Encore will headspace much more consistently and shoot better with Ackley shoulders.</p><p></p><p>Powder burns in the case more and is not blown out the barrel as much with Improved shoulders.</p></blockquote><p></p>
[QUOTE="65WSM, post: 1006486, member: 9551"] I would bet on a one third gain in velocity compared to increase in powder charge at best. Using my 6.5-06 Ackley 26 inch barrel. I gain 9 percent in powder charge to get about 3 percent more velocity 90 fps. I like the looks of the Ackley 40 degree shoulder. The cases tend to stretch less than the factory parent cartridges. Break action rifles like the G2 or Encore will headspace much more consistently and shoot better with Ackley shoulders. Powder burns in the case more and is not blown out the barrel as much with Improved shoulders. [/QUOTE]
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