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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Re: The Barrel Tuning Devices
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<blockquote data-quote="rocky_lange" data-source="post: 194637" data-attributes="member: 10087"><p>I don't know the exact product name, but the "limbsaver" like device workes on the same principle as it does on a bow. It dampens the vibration of the barrel.</p><p> </p><p>All of us handloaders know that some loads shoot better than others. A well developed load will have very little vertical stringing. Why? As the gun goes bang and the bullet travels down the barrel, the barrel vibrates (think tuning fork). The barrel travels the same speed in its vibation/up and down travel. But, at the top and bottom of that travel when the direction changes from up to down or vice versa, the distabce it travels is smaller. So what does that mean????</p><p> </p><p>If you find the right load/bullet veolcity to have the bullet exit the end of the barrel at the top or bottom of the vibation, the barrel is moving less = less vertical stringing. If the bullets exits during the movement between top or bottom of the vibration and there is a variation in velocity by even a few FPS, then the end of the barrel will be in a different POA and hence vertical stringing.</p><p> </p><p>Tuners and dampeners are by design supposed to decrease the amount of vibration/travel of the barrels POA.</p><p> </p><p>Am I saying everyone should run out and buy a tuner? No. If you are a benchrest competetor and want to try to shave a few thousanths of an inch or so off you aggs, sure, try it. If you are a hunter, you may never see a noticable difference. Go over to the forums at benchrest dot com and look up the very heated debates about the effectiveness of tuners and you can see that there is no yes/no answer. Some swear by them, others won't waste their time and energy on them.</p><p> </p><p>If barrel vibration is a concern, forget about your long barrels. Buy a 20-22" heavy barrel and don't look back. They will be more accurate, but yes, they will lose the precious muzzle velocities needed for long range hunting in the larger calibers. </p><p> </p><p>Rocky</p></blockquote><p></p>
[QUOTE="rocky_lange, post: 194637, member: 10087"] I don't know the exact product name, but the "limbsaver" like device workes on the same principle as it does on a bow. It dampens the vibration of the barrel. All of us handloaders know that some loads shoot better than others. A well developed load will have very little vertical stringing. Why? As the gun goes bang and the bullet travels down the barrel, the barrel vibrates (think tuning fork). The barrel travels the same speed in its vibation/up and down travel. But, at the top and bottom of that travel when the direction changes from up to down or vice versa, the distabce it travels is smaller. So what does that mean???? If you find the right load/bullet veolcity to have the bullet exit the end of the barrel at the top or bottom of the vibation, the barrel is moving less = less vertical stringing. If the bullets exits during the movement between top or bottom of the vibration and there is a variation in velocity by even a few FPS, then the end of the barrel will be in a different POA and hence vertical stringing. Tuners and dampeners are by design supposed to decrease the amount of vibration/travel of the barrels POA. Am I saying everyone should run out and buy a tuner? No. If you are a benchrest competetor and want to try to shave a few thousanths of an inch or so off you aggs, sure, try it. If you are a hunter, you may never see a noticable difference. Go over to the forums at benchrest dot com and look up the very heated debates about the effectiveness of tuners and you can see that there is no yes/no answer. Some swear by them, others won't waste their time and energy on them. If barrel vibration is a concern, forget about your long barrels. Buy a 20-22" heavy barrel and don't look back. They will be more accurate, but yes, they will lose the precious muzzle velocities needed for long range hunting in the larger calibers. Rocky [/QUOTE]
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Re: The Barrel Tuning Devices
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