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The Range
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Annealing with Hard numbers
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<blockquote data-quote="Jcann" data-source="post: 2845901" data-attributes="member: 33119"><p>Even though you chamfered the necks you can still have somewhat poor bullet to case neck concentricity which may induce additional bullet seating force. Did you check case neck runout prior to and after bullet seating with a good concentricity gauge?</p><p></p><p>Also did you verify bullet diameter just to take this variable out of the equation? You may want to check the case neck wall thickness throughout the neck bore to assure apples to apples comparison. Some may need to be turned. Another variable is bullet bearing surface. Anything that can cause < \ > chamber pressure will induce vertical stringing.</p><p></p><p>I've found most (the average shooter, which I am) would not be able to determine vertical stringing was caused via reloading or shooter error at distance and for some, at closer ranges.</p><p></p><p>I, like you, enjoy the pursuit of the perfect reload but I'll settle for the perfect day of shooting.</p><p></p><p>Something like this <a href="http://www.21stcenturyshooting.com/Concentricity_Gauge.php" target="_blank">http://www.21stcenturyshooting.com/Concentricity_Gauge.php</a></p></blockquote><p></p>
[QUOTE="Jcann, post: 2845901, member: 33119"] Even though you chamfered the necks you can still have somewhat poor bullet to case neck concentricity which may induce additional bullet seating force. Did you check case neck runout prior to and after bullet seating with a good concentricity gauge? Also did you verify bullet diameter just to take this variable out of the equation? You may want to check the case neck wall thickness throughout the neck bore to assure apples to apples comparison. Some may need to be turned. Another variable is bullet bearing surface. Anything that can cause < \ > chamber pressure will induce vertical stringing. I've found most (the average shooter, which I am) would not be able to determine vertical stringing was caused via reloading or shooter error at distance and for some, at closer ranges. I, like you, enjoy the pursuit of the perfect reload but I'll settle for the perfect day of shooting. Something like this [url]http://www.21stcenturyshooting.com/Concentricity_Gauge.php[/url] [/QUOTE]
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