375cal Neck Turning Mandrel

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Now: $19.95
Was: $23.95
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Used in our Large Caliber Model A Neck Turning Tool, these stainless steel Neck Turning Mandrels are sized to work in conjunction with Sinclair Expanding Mandrels. PMA does not currently manufacture large caliber expanding mandrels.

Most importantly, our stainless mandrels are precision turned from 17-4 stainless steel, the same grade of stainless used in the medical and aerospace industries. A 17-4 stainless mandrel offers the best combination of properties available in a stainless steel: strength, hardness and corrosion resistance. These properties combine to give you a stable mandrel that will not change dimension with heat and will not scratch or embed grit. 

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