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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Semi auto vs bolt action accuracy
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<blockquote data-quote="Canadian Bushman" data-source="post: 1986223" data-attributes="member: 41122"><p>AR's will never reach the accuracy of benchrest style bolt guns. They can be very accurate, more so than what most people need, but not like bolt guns.</p><p></p><p>Its a common belief that "nothing moves before the bullet leaves the barrel" but that is simply not true. There are series of vibrations that take place as soon as the firing pin is let loose, more as the bolt is loaded up against the lugs, and more yet from the bullet engraving into the rifling. All these contribute to barrel harmonics. Now think about the gas system that is attached to the barrel. Think about how much pressure exits into the gas system before the bullet leaves the barrel. What happens as the ports start to pick up carbon fouling. There is just so much at play here.</p><p></p><p>The simpler and more rigid platform will always win in this scenario.</p><p></p><p>If you read Harold Vaughns book, "rifle accuracy facts" he will explain more about barrel harmonics than you ever wanted to know.</p></blockquote><p></p>
[QUOTE="Canadian Bushman, post: 1986223, member: 41122"] AR’s will never reach the accuracy of benchrest style bolt guns. They can be very accurate, more so than what most people need, but not like bolt guns. Its a common belief that “nothing moves before the bullet leaves the barrel” but that is simply not true. There are series of vibrations that take place as soon as the firing pin is let loose, more as the bolt is loaded up against the lugs, and more yet from the bullet engraving into the rifling. All these contribute to barrel harmonics. Now think about the gas system that is attached to the barrel. Think about how much pressure exits into the gas system before the bullet leaves the barrel. What happens as the ports start to pick up carbon fouling. There is just so much at play here. The simpler and more rigid platform will always win in this scenario. If you read Harold Vaughns book, “rifle accuracy facts” he will explain more about barrel harmonics than you ever wanted to know. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Semi auto vs bolt action accuracy
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