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Rifles, Reloading, Optics, Equipment
Gunsmithing
?To nut or not to nut?
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<blockquote data-quote="Trickymissfit" data-source="post: 423308" data-attributes="member: 25383"><p>engineering wise the barrel nut is the only way to go! Here's why: when you seat the barrel on the shoulder the barrel threads are actually in suspension with about 25% thread contact at best (if you can screw the barrel into the reciever you have clearence). Nobody grinds the threads, and even fewer would even know how to grind an internal thread for a near perfect fit. But with the nut you actually stretch the barrel thread and thus greatly increase the thread form contact area. What this does is that it makes the threaded portion of the barrel stay strait instead of whipping when the four vectors of force hit the threaded area of the barrel during ignition (there's actually six when you add the bolt face into the equation). There's another way to avoid this, but I won't go there as it can send you to the hospital real fast if done even slightly wrong on a big bore gun.</p><p>gary</p></blockquote><p></p>
[QUOTE="Trickymissfit, post: 423308, member: 25383"] engineering wise the barrel nut is the only way to go! Here's why: when you seat the barrel on the shoulder the barrel threads are actually in suspension with about 25% thread contact at best (if you can screw the barrel into the reciever you have clearence). Nobody grinds the threads, and even fewer would even know how to grind an internal thread for a near perfect fit. But with the nut you actually stretch the barrel thread and thus greatly increase the thread form contact area. What this does is that it makes the threaded portion of the barrel stay strait instead of whipping when the four vectors of force hit the threaded area of the barrel during ignition (there's actually six when you add the bolt face into the equation). There's another way to avoid this, but I won't go there as it can send you to the hospital real fast if done even slightly wrong on a big bore gun. gary [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Gunsmithing
?To nut or not to nut?
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