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Rifles, Reloading, Optics, Equipment
Gunsmithing
Threading a barrel without taking barrel off?
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<blockquote data-quote="J E Custom" data-source="post: 1783834" data-attributes="member: 2736"><p>I place the barrel in a lathe and center both ends using range rods to find the exact bore center on both ends. This way, all threads and the shoulder are centered, concentric and perpendicular to the bore center line. This way I can also fit the brake or suppressor threads to the barrel tenon for a near perfect fit (No thread slack).</p><p>Like everything else all threads are not created equal. Many factory barrel OD's are not concentric with the bore and this prevents bore to fixture misalignment.</p><p></p><p>I see many people using the piloted die nut and this can damage the bore at probably the most critical last couple of inches. Shoving something in the muzzle and then turning it is not a good idea (Just like cleaning a barrel from the muzzle end). Normally when this process is used, accuracy is poor and in order to save the barrel the threaded tenon and the damaged part of the muzzle has to be removed and re threaded.</p><p></p><p>J E CUSTOM</p></blockquote><p></p>
[QUOTE="J E Custom, post: 1783834, member: 2736"] I place the barrel in a lathe and center both ends using range rods to find the exact bore center on both ends. This way, all threads and the shoulder are centered, concentric and perpendicular to the bore center line. This way I can also fit the brake or suppressor threads to the barrel tenon for a near perfect fit (No thread slack). Like everything else all threads are not created equal. Many factory barrel OD's are not concentric with the bore and this prevents bore to fixture misalignment. I see many people using the piloted die nut and this can damage the bore at probably the most critical last couple of inches. Shoving something in the muzzle and then turning it is not a good idea (Just like cleaning a barrel from the muzzle end). Normally when this process is used, accuracy is poor and in order to save the barrel the threaded tenon and the damaged part of the muzzle has to be removed and re threaded. J E CUSTOM [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Gunsmithing
Threading a barrel without taking barrel off?
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