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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Barrel Tuner and Accurizer
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<blockquote data-quote="Bart B" data-source="post: 97806" data-attributes="member: 5302"><p>Tuners that apply pressure against the barrel have been around for years. They've typically been fitted in stock fore ends and applied pressure to the barrel at one or more points. And sometimes they work. But only when the pressure they apply is exactly the same for each shot. And that, in my opinion is their shortcomming.</p><p></p><p>Smallbore target rifles use to have them. Remington's 40X and Winchester's 52 tried them. Folks would use a light wired through them to adjust the screws under the barrel to just touch it, then add the number of clicks for each to put pressure on the barrel at 4:30 and 7:30 positions that seemed to give best accuracy. Tests were usually done to determine the best setting slung up in a prone position. But the top shooters soon learned that the different tension put on the fore end in sitting, kneeling and standing positions changed the actual pressure on the barrel. So these "tuned" fore ends didn't shoot as consistantly accurate as a totally free floated barrel.</p><p></p><p>The same barrel tuning devices were tried on centerfire target rifles....with the same results. In fact, the difference between slung up and not using a sling was quite a bit. </p><p></p><p>Most folks don't realize how much a rifle stock's fore end bends from sling tension or just plain weight. One may get good results from a bench but I doubt the same tension on the fore end would happen in a field shooting position.</p></blockquote><p></p>
[QUOTE="Bart B, post: 97806, member: 5302"] Tuners that apply pressure against the barrel have been around for years. They've typically been fitted in stock fore ends and applied pressure to the barrel at one or more points. And sometimes they work. But only when the pressure they apply is exactly the same for each shot. And that, in my opinion is their shortcomming. Smallbore target rifles use to have them. Remington's 40X and Winchester's 52 tried them. Folks would use a light wired through them to adjust the screws under the barrel to just touch it, then add the number of clicks for each to put pressure on the barrel at 4:30 and 7:30 positions that seemed to give best accuracy. Tests were usually done to determine the best setting slung up in a prone position. But the top shooters soon learned that the different tension put on the fore end in sitting, kneeling and standing positions changed the actual pressure on the barrel. So these "tuned" fore ends didn't shoot as consistantly accurate as a totally free floated barrel. The same barrel tuning devices were tried on centerfire target rifles....with the same results. In fact, the difference between slung up and not using a sling was quite a bit. Most folks don't realize how much a rifle stock's fore end bends from sling tension or just plain weight. One may get good results from a bench but I doubt the same tension on the fore end would happen in a field shooting position. [/QUOTE]
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