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A little puzzle. Some time ago I was gifted a couple of reloading dies for 243Win - one is a Redding body die and the other is a neck expanding mandrel - but no manufacturer name engraved, no size info - not even on the mandrel to state it is a 6mm size.

So if anyone can shed light on which company made it, I'd be very grateful. Using it to prepare cases for neck turning to fit a Shilen stainless match barrel.

Photos attached.

Jo

Looks like a Sinclair one.

Thanks - must be a first generation one, as the current model on the website is slightly different. But the mandrel measures the same for the Sinclair specs @ 2 thou smaller than bullet size .241"

Yep Sinclair.