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Rifles, Reloading, Optics, Equipment
Gunsmithing
Blueprinting, Does it realy help
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<blockquote data-quote="J E Custom" data-source="post: 512207" data-attributes="member: 2736"><p>This question has come up before and the consensus is yes. But not all are believers and I </p><p>though this might help.</p><p></p><p>A few weeks ago a friend came by and ask if I could make his 30/06 shoot better without </p><p>re barreling. I told him it was a gamble with the factory barrel but I would try.</p><p></p><p>Using all the same stuff I decided to break it down and rebuild from scratch.</p><p></p><p>Using the factory barrel I set back the shoulder.015,chased the threads. leveled the recoil lug(</p><p>it was .003 to .000 depending on where I measured it),squared the tenon end, squared the </p><p>bolt recess in the tenon and re-cut the chamber until it cleaned up. Then I cut a new crown.</p><p></p><p>Next came the receiver. the bolt fit very well so I squared the receiver face and the recoil bosses</p><p>Then squared the bolt face and the recoil lugs. then after lapping the lugs I re assembled the </p><p>barreled action and installed it in the stock with a pillar bedding job to finish it off.</p><p></p><p>This rifle responded very well to say the least. It from a 2.5 MOA rifle to a 3/4 MOA rifle using </p><p>factory ammo.</p><p></p><p>If you had this done by a smith it would be expensive and not practical but on a custom rifle </p><p>where you already have a lot invested it only makes sense to true everything to ring out the</p><p>best potential of the rifle.</p><p></p><p>I did not test between each operation to see what made the most difference but It tells me </p><p>that each exercise was/is worth the effort.</p><p></p><p>Most custom rifle smiths do this in order to meet an accuracy standard but some don't.</p><p>so it you are contemplating a custom build talk to your smith and know what he intends</p><p>to do.</p><p></p><p>So with a reasonable good factory barrel and some work you "CAN" make a silk purse out</p><p>of a sows ear.</p><p></p><p>J E CUSTOM</p></blockquote><p></p>
[QUOTE="J E Custom, post: 512207, member: 2736"] This question has come up before and the consensus is yes. But not all are believers and I though this might help. A few weeks ago a friend came by and ask if I could make his 30/06 shoot better without re barreling. I told him it was a gamble with the factory barrel but I would try. Using all the same stuff I decided to break it down and rebuild from scratch. Using the factory barrel I set back the shoulder.015,chased the threads. leveled the recoil lug( it was .003 to .000 depending on where I measured it),squared the tenon end, squared the bolt recess in the tenon and re-cut the chamber until it cleaned up. Then I cut a new crown. Next came the receiver. the bolt fit very well so I squared the receiver face and the recoil bosses Then squared the bolt face and the recoil lugs. then after lapping the lugs I re assembled the barreled action and installed it in the stock with a pillar bedding job to finish it off. This rifle responded very well to say the least. It from a 2.5 MOA rifle to a 3/4 MOA rifle using factory ammo. If you had this done by a smith it would be expensive and not practical but on a custom rifle where you already have a lot invested it only makes sense to true everything to ring out the best potential of the rifle. I did not test between each operation to see what made the most difference but It tells me that each exercise was/is worth the effort. Most custom rifle smiths do this in order to meet an accuracy standard but some don't. so it you are contemplating a custom build talk to your smith and know what he intends to do. So with a reasonable good factory barrel and some work you "CAN" make a silk purse out of a sows ear. J E CUSTOM [/QUOTE]
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Blueprinting, Does it realy help
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