Brownells Brownells Brownells 75th Anniversary - A Shooting Heritage

Sinclair stainless steel neck turning and expander mandrelsfor 17 through 50 caliber cartridges are turned from highgrade stainless steel on precision turning centers. Turningmandrels are sized .002" under bullet diameter andexpander mandrels are .001" under bullet diameter. Theshape and surface of all of our mandrels is the result of years ofexperimenting by many expert handloaders. Our Carbide turning mandrelsare precision ground from solid carbide stock, which yields even closer tolerances. AllCarbide mandrels are ground to .002" under bullet diameter. Adjustments on our NT-4000turning tool will be more consistent withcarbide mandrels due to the tighter tolerancesof the mandrels. Large caliber (35to 50 caliber) mandrels fit only the LargeCaliber Expander Body and the NT-5000 Turning Tool


Sinclair, Issue:4B, Page:019

SINCLAIR INTERNATIONAL - SINCLAIR LARGE CALIBER EXPANDER MANDRELS

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