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Rifles, Reloading, Optics, Equipment
Reloading
Is there any Downside to a 40* Shoulder ?
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<blockquote data-quote="Trickymissfit" data-source="post: 523470" data-attributes="member: 25383"><p>have never seen a 37.5 degree reamer for the 22-250. There are several improved 22-250's out there besides the Ackley. The Shannon uses a 35 degree shoulder with .020" taper in the case. This one according to Ackley shows very little growth in the shoulder area (doughnut). Then there is the Durham Jet that uses .243 cases with a .30" neck length and a 40 degree shoulder. I know of one that uses a 28 degree shoulder, and another that uses a 30 degree angle. </p><p>gary</p></blockquote><p></p>
[QUOTE="Trickymissfit, post: 523470, member: 25383"] have never seen a 37.5 degree reamer for the 22-250. There are several improved 22-250's out there besides the Ackley. The Shannon uses a 35 degree shoulder with .020" taper in the case. This one according to Ackley shows very little growth in the shoulder area (doughnut). Then there is the Durham Jet that uses .243 cases with a .30" neck length and a 40 degree shoulder. I know of one that uses a 28 degree shoulder, and another that uses a 30 degree angle. gary [/QUOTE]
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Is there any Downside to a 40* Shoulder ?
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