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Rifles, Reloading, Optics, Equipment
Reloading
Neck Sizing
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<blockquote data-quote="Bullet bumper" data-source="post: 827883" data-attributes="member: 17844"><p>If only it was that simple but it's just not. If this was true in every case then a standard factory chamber should be able to win any BR competition and it just can't . If the body is loose then the shoulder can only centre perfectly if the case is an almost crush fit . Some shoulder angles are better than others . Most re-loaders can't size accurately enough to get that perfect no head space fit so the tighter neck makes up for that no matter if the shoulder is that tight fit or not . </p><p>I have proved partial neck sizing works over and over again in a factory chamber since 1967 when I invented my first body dies but I have also seen a few guns that it did not work in . </p><p>The term full length sizing when used in connection with BR shooters is miss leading because what they do is size so slightly that it does not upset the case fit and reloading speed is also a factor for them. </p><p>That can not be compared to using old fashioned Full Length dies with expander balls that totally upset the case fit .</p><p>It is not possible to make blanket statments when talking about factory guns because variations in manufacture can make one gun work well with something and another not . </p><p>People should try all ideas and see what works for them because one size does not fit all .</p></blockquote><p></p>
[QUOTE="Bullet bumper, post: 827883, member: 17844"] If only it was that simple but it's just not. If this was true in every case then a standard factory chamber should be able to win any BR competition and it just can't . If the body is loose then the shoulder can only centre perfectly if the case is an almost crush fit . Some shoulder angles are better than others . Most re-loaders can't size accurately enough to get that perfect no head space fit so the tighter neck makes up for that no matter if the shoulder is that tight fit or not . I have proved partial neck sizing works over and over again in a factory chamber since 1967 when I invented my first body dies but I have also seen a few guns that it did not work in . The term full length sizing when used in connection with BR shooters is miss leading because what they do is size so slightly that it does not upset the case fit and reloading speed is also a factor for them. That can not be compared to using old fashioned Full Length dies with expander balls that totally upset the case fit . It is not possible to make blanket statments when talking about factory guns because variations in manufacture can make one gun work well with something and another not . People should try all ideas and see what works for them because one size does not fit all . [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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Neck Sizing
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