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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: 171334" data-attributes="member: 8843"><p>The standard twist rate for factory 25-06 is 1-10 , I have heard some guys can shoot the long Berger bullets but some can't so I think that the 1-10 is right on the brink of minimum amount of twist for these long high BC bullets. I do know some guys that shoot the 120gr class hunting bullets with no trouble out of their 25-06.</p><p> </p><p>What kind of bullets are you planning to shoot out of this rig , the long high bc or the shorter hunting type? As for barrel length , I'd say that you'll need at least a 26" to get that velocity out of that small of a case , I would probably opt for a 30" and then cut it back later if you need to. i think you may be working with some high pressures if you able to get 3200fps out of a 308 case with a 120gr bullet in the .257 bore.</p><p> </p><p>The Wyatt's box is an extended magazine box that allows you to seat your bullets out a good bit further to allow more room in the case. I highly recommend that anybody building any type ofr long range gun in either long or short action have a Wyatt's box installed especialy if your using a 284 case in a short action.</p><p> </p><p>Are you dead set on the .257" bore ?? for paper punching and varmints the 243 and the Ackley improved version are awsome rounds out to 1000yds as is the 260 and 260 improved with 95-140gr bullets. I only mention this because of the limited amout of quality match bullets for the quarter bore.</p></blockquote><p></p>
[QUOTE="James Jones, post: 171334, member: 8843"] The standard twist rate for factory 25-06 is 1-10 , I have heard some guys can shoot the long Berger bullets but some can't so I think that the 1-10 is right on the brink of minimum amount of twist for these long high BC bullets. I do know some guys that shoot the 120gr class hunting bullets with no trouble out of their 25-06. What kind of bullets are you planning to shoot out of this rig , the long high bc or the shorter hunting type? As for barrel length , I'd say that you'll need at least a 26" to get that velocity out of that small of a case , I would probably opt for a 30" and then cut it back later if you need to. i think you may be working with some high pressures if you able to get 3200fps out of a 308 case with a 120gr bullet in the .257 bore. The Wyatt's box is an extended magazine box that allows you to seat your bullets out a good bit further to allow more room in the case. I highly recommend that anybody building any type ofr long range gun in either long or short action have a Wyatt's box installed especialy if your using a 284 case in a short action. Are you dead set on the .257" bore ?? for paper punching and varmints the 243 and the Ackley improved version are awsome rounds out to 1000yds as is the 260 and 260 improved with 95-140gr bullets. I only mention this because of the limited amout of quality match bullets for the quarter bore. [/QUOTE]
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