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Rifles, Reloading, Optics, Equipment
Gunsmithing
Deliberately throating a match barrel long
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<blockquote data-quote="J E Custom" data-source="post: 756657" data-attributes="member: 2736"><p>If the bullet can leave the neck before it reaches the lands it is not controled by the case or the rifling</p><p>and may engrave poorly'</p><p></p><p>Ideally the body of the bullet is long enough to engage the rifling while it is still in the neck.</p><p></p><p>One of the reasons that secant ogive bullets can give you problems if not properly set up is</p><p>that they typically have shorter bodies and if they are seated out to far this is one of the problems.</p><p></p><p>Look at the bullet you intend to use and then do your calculations for throat dimensions</p><p>based on mag length. bullet engagement desired and cartrige overall length and bullet jump</p><p>to lands.</p><p></p><p>J E CUSTOM</p></blockquote><p></p>
[QUOTE="J E Custom, post: 756657, member: 2736"] If the bullet can leave the neck before it reaches the lands it is not controled by the case or the rifling and may engrave poorly' Ideally the body of the bullet is long enough to engage the rifling while it is still in the neck. One of the reasons that secant ogive bullets can give you problems if not properly set up is that they typically have shorter bodies and if they are seated out to far this is one of the problems. Look at the bullet you intend to use and then do your calculations for throat dimensions based on mag length. bullet engagement desired and cartrige overall length and bullet jump to lands. J E CUSTOM [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Gunsmithing
Deliberately throating a match barrel long
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