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Rifles, Reloading, Optics, Equipment
7mm STW
Adding a brake
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<blockquote data-quote="J E Custom" data-source="post: 1043042" data-attributes="member: 2736"><p>On factory barrels they are rarely concentric with the bore so I indicate of the bore and then turn </p><p>the OD to the major diameter of the thread side and pitch and then thread. a few thousandths out </p><p>of concentric with the bore does not hurt the threads because they are centered on the bore.</p><p></p><p>If the barrel is more than a couple of thousandths , it does make it harder to blend the brake to the barrel.</p><p></p><p>I also turn the barrel shank true to the bore (Just enough to clean it up) before I start a chamber just to make it more consistent while firing. (I still indicate the chamber end off the bore before any threading or chambering is done) (It makes me feel like I have done everything possible to assure</p><p>an accurate rifle).</p><p></p><p>I have gotten many good ideas from guys on this site that will share there experiences and I always hope I help someone also.</p><p></p><p>J E CUSTOM</p></blockquote><p></p>
[QUOTE="J E Custom, post: 1043042, member: 2736"] On factory barrels they are rarely concentric with the bore so I indicate of the bore and then turn the OD to the major diameter of the thread side and pitch and then thread. a few thousandths out of concentric with the bore does not hurt the threads because they are centered on the bore. If the barrel is more than a couple of thousandths , it does make it harder to blend the brake to the barrel. I also turn the barrel shank true to the bore (Just enough to clean it up) before I start a chamber just to make it more consistent while firing. (I still indicate the chamber end off the bore before any threading or chambering is done) (It makes me feel like I have done everything possible to assure an accurate rifle). I have gotten many good ideas from guys on this site that will share there experiences and I always hope I help someone also. J E CUSTOM [/QUOTE]
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Rifles, Reloading, Optics, Equipment
7mm STW
Adding a brake
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