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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
25-06 vs 25-06AI
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<blockquote data-quote="elkaholic" data-source="post: 351706" data-attributes="member: 13833"><p>The Sherman case is a blown out .270. At first glance it looks just like the A.I. case but if you put them side by side there is an obvious difference. Both share the 40 degree shoulder but the Sherman shoulder is farther forward and there is less taper in the body. I was able to do this by taking advantage of the longer .270 case and still maintain a good neck (.300). The case capacity is 11%. It holds a little over 70 grs. of h2o to the base of the neck and 74-75 grs full. I can push a 140 at 3200+ with a 26'' barrel but thats a little hot. 3150 is fine! With a 30" barrel I have no doubt 3350 to 3400 would be attainable<img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite8" alt=":D" title="Big Grin :D" loading="lazy" data-shortname=":D" /><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite8" alt=":D" title="Big Grin :D" loading="lazy" data-shortname=":D" />.....Rich</p></blockquote><p></p>
[QUOTE="elkaholic, post: 351706, member: 13833"] The Sherman case is a blown out .270. At first glance it looks just like the A.I. case but if you put them side by side there is an obvious difference. Both share the 40 degree shoulder but the Sherman shoulder is farther forward and there is less taper in the body. I was able to do this by taking advantage of the longer .270 case and still maintain a good neck (.300). The case capacity is 11%. It holds a little over 70 grs. of h2o to the base of the neck and 74-75 grs full. I can push a 140 at 3200+ with a 26'' barrel but thats a little hot. 3150 is fine! With a 30" barrel I have no doubt 3350 to 3400 would be attainable:D:D.....Rich [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
25-06 vs 25-06AI
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