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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
barrel options
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<blockquote data-quote="James Jones" data-source="post: 171541" data-attributes="member: 8843"><p>Generaly the barrel will come to you just as a contured blank with the bore rifled and lapped , no crown , no chamber and no threads. You can order some that way for extra cost but I think your money is berrt spent with the smith actualy installing the barrel to the action.</p><p> </p><p>I would think that the only thing between the 308 and the 30-06 case would be the 7x57. The 7x57 case is the parrent for the 6mm Remington , 257 roberts and several other wildcats , this case does have a bit more capacity than the 308 cause its longer but thats about it.</p><p> </p><p>Improving a case to a 45 deg shoulder would be a bit steep for my liking , like you said the chance of colapsing the shoulder is alot higher.</p><p> </p><p> </p><p>I'm not sure exactly what it is that your wanting </p><p> </p><p>1) if you want a 25-308 improved great have one built , but know that </p><p> your not going to run a 120gr bullet out at 3200fps , maybe once or </p><p> twice but not for long before somthing breaks.</p><p> </p><p>2) if your wanting to run a 120gr bullet out at 3200fps then you need to</p><p> look at the 284 case as a minimum and a long barrel , the RSUM or</p><p> WSM would be a better parent.</p><p> </p><p> </p><p>But to answer your first question about the barrel twist , a 1-9 will work fine and many barrel makers offer that twist</p></blockquote><p></p>
[QUOTE="James Jones, post: 171541, member: 8843"] Generaly the barrel will come to you just as a contured blank with the bore rifled and lapped , no crown , no chamber and no threads. You can order some that way for extra cost but I think your money is berrt spent with the smith actualy installing the barrel to the action. I would think that the only thing between the 308 and the 30-06 case would be the 7x57. The 7x57 case is the parrent for the 6mm Remington , 257 roberts and several other wildcats , this case does have a bit more capacity than the 308 cause its longer but thats about it. Improving a case to a 45 deg shoulder would be a bit steep for my liking , like you said the chance of colapsing the shoulder is alot higher. I'm not sure exactly what it is that your wanting 1) if you want a 25-308 improved great have one built , but know that your not going to run a 120gr bullet out at 3200fps , maybe once or twice but not for long before somthing breaks. 2) if your wanting to run a 120gr bullet out at 3200fps then you need to look at the 284 case as a minimum and a long barrel , the RSUM or WSM would be a better parent. But to answer your first question about the barrel twist , a 1-9 will work fine and many barrel makers offer that twist [/QUOTE]
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