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Rifles, Reloading, Optics, Equipment
Reloading
Will neck sizing die work to resize new .30-06 brass to .338-06?
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<blockquote data-quote="Trickymissfit" data-source="post: 673534" data-attributes="member: 25383"><p>going from .308 to .338 is a serious step. I would recommend doing an 8mm step with a Sinclair expander mandrel, and then run the cases thru a standard .338-06 die. You'll also need to anneal the necks after your done with the .338 step. The Sinclair expander die and mandrel is setup to expand the neck about .001" oversize to allow clearence on their neck turning mandrel, but if you have access to a lathe or a drill press you can try to polish off a couple thousandths (if you do it in 2 steps you can forget polishing the mandrel). But in the end you still want to run these cases thru a full length die before loading them. You might also consider using 35 Whelen brass instead as it would probably stress the brass in the necks a little less, and you could do it in one operation.</p><p>gary</p></blockquote><p></p>
[QUOTE="Trickymissfit, post: 673534, member: 25383"] going from .308 to .338 is a serious step. I would recommend doing an 8mm step with a Sinclair expander mandrel, and then run the cases thru a standard .338-06 die. You'll also need to anneal the necks after your done with the .338 step. The Sinclair expander die and mandrel is setup to expand the neck about .001" oversize to allow clearence on their neck turning mandrel, but if you have access to a lathe or a drill press you can try to polish off a couple thousandths (if you do it in 2 steps you can forget polishing the mandrel). But in the end you still want to run these cases thru a full length die before loading them. You might also consider using 35 Whelen brass instead as it would probably stress the brass in the necks a little less, and you could do it in one operation. gary [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Will neck sizing die work to resize new .30-06 brass to .338-06?
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