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Rifles, Reloading, Optics, Equipment
Reloading
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<blockquote data-quote="TOM H" data-source="post: 271252" data-attributes="member: 306"><p>Fred Sincalir when he owned that company he had a different version that he use to write in his calalog about factory chamber and when to turn necks. He use to say if variation was more than .003" it may result in loss of accuracy and not to turn necks if vairation is .001" or less. In the 99 catalog he talked about case wall /neck thickness and how sizing in a standard die may result an uneven collapse in that the thicker wall will react differently than the thinner side. His columes changed over the years to include cleaning up the necks 70%/80%.</p><p></p><p></p><p>This new deal from Brownells company called Sinclair on how to turn necks isn't what Fred use to write about. For many years the colume in Sinclair catalog on when and how to turn necks for a factory rifle was the standard to go by.</p></blockquote><p></p>
[QUOTE="TOM H, post: 271252, member: 306"] Fred Sincalir when he owned that company he had a different version that he use to write in his calalog about factory chamber and when to turn necks. He use to say if variation was more than .003" it may result in loss of accuracy and not to turn necks if vairation is .001" or less. In the 99 catalog he talked about case wall /neck thickness and how sizing in a standard die may result an uneven collapse in that the thicker wall will react differently than the thinner side. His columes changed over the years to include cleaning up the necks 70%/80%. This new deal from Brownells company called Sinclair on how to turn necks isn't what Fred use to write about. For many years the colume in Sinclair catalog on when and how to turn necks for a factory rifle was the standard to go by. [/QUOTE]
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