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Rifles, Reloading, Optics, Equipment
Gunsmithing
How important is blueprinting an action
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<blockquote data-quote="J E Custom" data-source="post: 1839946" data-attributes="member: 2736"><p>There are occasions that the actions or rifle is beyond proper repair and declining the work is the prudent thing to do. But I try to explain why, instead of just saying no. This is one of the reasons I like to check everything before the work starts. </p><p></p><p>Also occasionally when setting a shoulder back to freshen a chamber and lead you run across a barrel and chamber that was reamed off center and won't clean up with 62 thousandths set back, or one thread. I wont go beyond one thread set back but I have seen rifles that had 2 or 3 thread set back. So I warn the owner if the chamber looks off center and may not clean up. </p><p></p><p>I recently tried to set back a chamber to true it up and after .0625 set back, the chamber still didn't clean up and going to .094 it didn't clean up so the job was abandoned. I have seen many</p><p>rifles that I was ask to fix and had to decline because someone didn't use good judgement and ruined the rifle and created an unsafe condition. </p><p></p><p>Lapping can improve the contact area, but does nothing for truing. the abutments must be square to the bolt centerline and also the bolt lugs. they must be cut true and then you can lap them for final finish.</p><p></p><p>Other things like timing, polishing, Jeweling, fluting are done as needed.</p><p></p><p>J E CUSTOM</p><p></p><p>J E CUSTOM</p></blockquote><p></p>
[QUOTE="J E Custom, post: 1839946, member: 2736"] There are occasions that the actions or rifle is beyond proper repair and declining the work is the prudent thing to do. But I try to explain why, instead of just saying no. This is one of the reasons I like to check everything before the work starts. Also occasionally when setting a shoulder back to freshen a chamber and lead you run across a barrel and chamber that was reamed off center and won't clean up with 62 thousandths set back, or one thread. I wont go beyond one thread set back but I have seen rifles that had 2 or 3 thread set back. So I warn the owner if the chamber looks off center and may not clean up. I recently tried to set back a chamber to true it up and after .0625 set back, the chamber still didn't clean up and going to .094 it didn't clean up so the job was abandoned. I have seen many rifles that I was ask to fix and had to decline because someone didn't use good judgement and ruined the rifle and created an unsafe condition. Lapping can improve the contact area, but does nothing for truing. the abutments must be square to the bolt centerline and also the bolt lugs. they must be cut true and then you can lap them for final finish. Other things like timing, polishing, Jeweling, fluting are done as needed. J E CUSTOM J E CUSTOM [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Gunsmithing
How important is blueprinting an action
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