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Rifle assembly
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<blockquote data-quote="Fiftydriver" data-source="post: 148361" data-attributes="member: 10"><p>Think of it this way. If the thread fit is loose, when you tighten down the bore, only one surface will be contacting between the receiver and barrel threads. If you have a precise thread fit, the entire system is much more like one unit then two seperate only contacting on a small single surface of the threads.</p><p></p><p>As far as press fit barrel shanks, there are many out there already, on low cost 22 rimfires mostly. If it were a better system we would be using it.</p><p></p><p>If a standard thread fit was better then a precision thread fit, all BR rifles would be so threaded.</p><p></p><p>I can not explain the harmonics or physics of why it works, at least not to the point anyone would understand what I am saying. I am a pretty simple guy, you do what works, you test things and prove what works. A Precision thread fit will be more consistant then a loose thread fit everytime if everything else is equal.</p><p></p><p>Also, if your using long heavy barrels, there is alot of stress in the receiver thread, receiver face, barrel shoulder area. Again, a precision thread fit supports heavy long barrels MUCH more consistantly then a loose thread fit.</p><p></p><p>If you want a 1 moa rifle, go for it. Possibly even a 3/4 moa rifle. I will not say you may not even see an occasional 1/2 moa group. But to improve much below that, you need perfection at nearly every point in the rifle building process. Again, its nothing secret or special to do, you just have to do it and do it correctly to get the results.</p><p></p><p>Test your press fit theory and run it up agaist a precision built rifle and see how it holds up. One main thing would be strength of such a system with high pressure, high intensity modern rounds.</p><p></p><p>Not sure I can educate you but I can tell you that this is the best way to get consistancy.</p><p></p><p>Kirby Allen(50)</p></blockquote><p></p>
[QUOTE="Fiftydriver, post: 148361, member: 10"] Think of it this way. If the thread fit is loose, when you tighten down the bore, only one surface will be contacting between the receiver and barrel threads. If you have a precise thread fit, the entire system is much more like one unit then two seperate only contacting on a small single surface of the threads. As far as press fit barrel shanks, there are many out there already, on low cost 22 rimfires mostly. If it were a better system we would be using it. If a standard thread fit was better then a precision thread fit, all BR rifles would be so threaded. I can not explain the harmonics or physics of why it works, at least not to the point anyone would understand what I am saying. I am a pretty simple guy, you do what works, you test things and prove what works. A Precision thread fit will be more consistant then a loose thread fit everytime if everything else is equal. Also, if your using long heavy barrels, there is alot of stress in the receiver thread, receiver face, barrel shoulder area. Again, a precision thread fit supports heavy long barrels MUCH more consistantly then a loose thread fit. If you want a 1 moa rifle, go for it. Possibly even a 3/4 moa rifle. I will not say you may not even see an occasional 1/2 moa group. But to improve much below that, you need perfection at nearly every point in the rifle building process. Again, its nothing secret or special to do, you just have to do it and do it correctly to get the results. Test your press fit theory and run it up agaist a precision built rifle and see how it holds up. One main thing would be strength of such a system with high pressure, high intensity modern rounds. Not sure I can educate you but I can tell you that this is the best way to get consistancy. Kirby Allen(50) [/QUOTE]
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