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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Bartlein gain twist barrel
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<blockquote data-quote="J E Custom" data-source="post: 1087384" data-attributes="member: 2736"><p>In my way of thinking, for a gain twist barrel to be effective it would have to start out at a greatly</p><p>reduced twist rate and end up at the desired twist and that would mean a lot of engraving on the bullet. I don't see any advantage in just gaining .5 twist in rifling because the bullet still has to start rotating at a very high rate. Ideally it would not start rotating at all at first and then as it traveled down the barrel increase the rotation as it increased speed to the desired twist. </p><p></p><p>I have had the problem with jacket shedding in the past in very high velocity cartridges and the bonded and mono bullets solved this, so the need for gain twist barrels diminished for me but I still have an interest in a way to improve any barrel performance.</p><p></p><p>Another thing. We /I like to think that bench rest quality is the goal for us but they are not high velocity and heavy weight bullet shooters like we are and there priorities are different in most cases so we are very hard on bullets because of the ranges and needs for Ballistics.</p><p></p><p>I am by no means an expert on this but I try to analyze every problem and apply common sense</p><p>to come to a conclusion and most of the time it works for me. (Not every time).</p><p></p><p>I still believe that the shooter has the most effect on accuracy and that most well made rifles will out shoot there owners. I have a few that will out shoot me, but I still keep trying to improve them and always will.</p><p></p><p>It is a interesting topic and I would also like to hear more opinions and theories on gain twist rifling.</p><p></p><p>J E CUSTOM</p></blockquote><p></p>
[QUOTE="J E Custom, post: 1087384, member: 2736"] In my way of thinking, for a gain twist barrel to be effective it would have to start out at a greatly reduced twist rate and end up at the desired twist and that would mean a lot of engraving on the bullet. I don't see any advantage in just gaining .5 twist in rifling because the bullet still has to start rotating at a very high rate. Ideally it would not start rotating at all at first and then as it traveled down the barrel increase the rotation as it increased speed to the desired twist. I have had the problem with jacket shedding in the past in very high velocity cartridges and the bonded and mono bullets solved this, so the need for gain twist barrels diminished for me but I still have an interest in a way to improve any barrel performance. Another thing. We /I like to think that bench rest quality is the goal for us but they are not high velocity and heavy weight bullet shooters like we are and there priorities are different in most cases so we are very hard on bullets because of the ranges and needs for Ballistics. I am by no means an expert on this but I try to analyze every problem and apply common sense to come to a conclusion and most of the time it works for me. (Not every time). I still believe that the shooter has the most effect on accuracy and that most well made rifles will out shoot there owners. I have a few that will out shoot me, but I still keep trying to improve them and always will. It is a interesting topic and I would also like to hear more opinions and theories on gain twist rifling. J E CUSTOM [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Bartlein gain twist barrel
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