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Rifles, Reloading, Optics, Equipment
Reloading
Runout increasing when seating
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<blockquote data-quote="abinok" data-source="post: 113178" data-attributes="member: 16"><p>[ QUOTE ]</p><p> won´t this affect the way the case neck conforms to the rifle??</p><p></p><p>[/ QUOTE ] </p><p>Nope. The neck will open the same no matter what. Too much variation in neck thickness will cause one side to release earlier than another... but folks could argue all day about how much differance it makes. With .001" variation or less... I don't worry at all, and on closer range ammo, .002" dosen't give nightmares.</p><p> [ QUOTE ]</p><p> Abinok, I guess you could avoid the problem by using the mandrel and neck turning afterwards?? </p><p></p><p>[/ QUOTE ] </p><p>Right on with the mandrel. it pushes any thickness variations to the outside for the tool to wack off. I really like my Lee collet die for neck turning duties. I can turn a mandrel down to whatever size fits the cutter mandrel best, and im good to go! $5 fix... and cheaper than most any other option. Got a mandrel turned down to fit my neck thickness tool as well... for sorting brass to batch... or before neck turning.</p><p></p><p> [ QUOTE ]</p><p> and probably after resising necks with the proper bushing the mandrel should be used again??</p><p> </p><p></p><p>[/ QUOTE ] </p><p></p><p>You could, but its not a requirement. I like to work the body and neck in seperate sizing operations... maybe im weird. with the approprate bushing, and neck turned cases, you could just do it with a bushing and no expander. Making the last sizing on the neck an inside sizing is realy only mandatory on unturned necks with more than... oh... .001" neck thickness variation or so.</p></blockquote><p></p>
[QUOTE="abinok, post: 113178, member: 16"] [ QUOTE ] won´t this affect the way the case neck conforms to the rifle?? [/ QUOTE ] Nope. The neck will open the same no matter what. Too much variation in neck thickness will cause one side to release earlier than another... but folks could argue all day about how much differance it makes. With .001" variation or less... I don't worry at all, and on closer range ammo, .002" dosen't give nightmares. [ QUOTE ] Abinok, I guess you could avoid the problem by using the mandrel and neck turning afterwards?? [/ QUOTE ] Right on with the mandrel. it pushes any thickness variations to the outside for the tool to wack off. I really like my Lee collet die for neck turning duties. I can turn a mandrel down to whatever size fits the cutter mandrel best, and im good to go! $5 fix... and cheaper than most any other option. Got a mandrel turned down to fit my neck thickness tool as well... for sorting brass to batch... or before neck turning. [ QUOTE ] and probably after resising necks with the proper bushing the mandrel should be used again?? [/ QUOTE ] You could, but its not a requirement. I like to work the body and neck in seperate sizing operations... maybe im weird. with the approprate bushing, and neck turned cases, you could just do it with a bushing and no expander. Making the last sizing on the neck an inside sizing is realy only mandatory on unturned necks with more than... oh... .001" neck thickness variation or so. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Runout increasing when seating
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