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Rifles, Reloading, Optics, Equipment
Reloading
? for Kirby and other reloading guru's
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<blockquote data-quote="CatShooter" data-source="post: 149453" data-attributes="member: 7"><p><strong>Re: ? for Kirby and other reloading guru\'s</strong></p><p></p><p>[ QUOTE ]</p><p>I've found that my fired cartridge neck diameter is the same as my loaded round neck diameter .288" ( my smith neglected to tell me it was a tight neck) how much should I turn the necks, is there a standard clearance? is this the likely cause of the high pressures?JS </p><p></p><p>[/ QUOTE ]</p><p></p><p>Because the fired case is the same as the loaded neck, does NOT mean you have a tight neck chamber.</p><p></p><p>The necks on my 6mmBR are the same size as the loaded rounds, and I just punch the primers and reload them.</p><p></p><p>You might have a "No turn" chamber. If the necks are 0.288", and the chamber neck is 0.289" to 0.292", the fired cases will still be the same size, because they will spring back that few 2 or 3 thou.</p><p></p><p>The thing to do before cutting the necks is the measure the chamber neck - ask your smith. He may know the dia of his reamer, or he can cast it with cerosafe for you. DON'T just start turning cases blind, without knowing where you are going with it.</p><p></p><p>.</p></blockquote><p></p>
[QUOTE="CatShooter, post: 149453, member: 7"] [b]Re: ? for Kirby and other reloading guru\'s[/b] [ QUOTE ] I've found that my fired cartridge neck diameter is the same as my loaded round neck diameter .288" ( my smith neglected to tell me it was a tight neck) how much should I turn the necks, is there a standard clearance? is this the likely cause of the high pressures?JS [/ QUOTE ] Because the fired case is the same as the loaded neck, does NOT mean you have a tight neck chamber. The necks on my 6mmBR are the same size as the loaded rounds, and I just punch the primers and reload them. You might have a "No turn" chamber. If the necks are 0.288", and the chamber neck is 0.289" to 0.292", the fired cases will still be the same size, because they will spring back that few 2 or 3 thou. The thing to do before cutting the necks is the measure the chamber neck - ask your smith. He may know the dia of his reamer, or he can cast it with cerosafe for you. DON'T just start turning cases blind, without knowing where you are going with it. . [/QUOTE]
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Reloading
? for Kirby and other reloading guru's
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