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Rifles, Reloading, Optics, Equipment
Reloading
Neck turning, before or after fireforming, before transitioning to bushing neck sizing for sure
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<blockquote data-quote="J E Custom" data-source="post: 1277432" data-attributes="member: 2736"><p><strong>Re: Neck turning, before or after fireforming, before transitioning to bushing neck sizing for</strong></p><p></p><p>Sounds like Sinclair asks for a special mandrel that expands the inside a little larger for their turner. I assume afterwards you then follow the process with a bushing neck sizer to get it back down to hold the bullet?</p><p></p><p></p><p></p><p></p><p>The Sinclair tool uses a truing mandrel to size the neck ID to perfectly match/fit the turning mandrel. This process assures there is a perfect fit on the turning mandrel so there wont be </p><p>any run out during turning. </p><p></p><p>When turning is complete you can neck size if necessary. The Sinclair neck sizing mandrel</p><p>is .001 thousandths smaller than the bullet diameter. And the turning mandrel is .002 smaller than the bullet so sizing may not be necessary. </p><p></p><p>J E CUSTOM</p></blockquote><p></p>
[QUOTE="J E Custom, post: 1277432, member: 2736"] [b]Re: Neck turning, before or after fireforming, before transitioning to bushing neck sizing for[/b] Sounds like Sinclair asks for a special mandrel that expands the inside a little larger for their turner. I assume afterwards you then follow the process with a bushing neck sizer to get it back down to hold the bullet? The Sinclair tool uses a truing mandrel to size the neck ID to perfectly match/fit the turning mandrel. This process assures there is a perfect fit on the turning mandrel so there wont be any run out during turning. When turning is complete you can neck size if necessary. The Sinclair neck sizing mandrel is .001 thousandths smaller than the bullet diameter. And the turning mandrel is .002 smaller than the bullet so sizing may not be necessary. J E CUSTOM [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Neck turning, before or after fireforming, before transitioning to bushing neck sizing for sure
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