21st Century - Expander Mandrels (Stainless Steel) Size:0.2550 3 corresponds to a magnification

3 corresponds to a magnification of 1

which make handloading a snap and create an incredibly sleek form factor

you will need a Modified Case (sold separately) to fit your firearm's chamber and thread it onto the gauge

This prevents patches from bunching and jamming on the tip of the cleaning rod

it stays exactly where you put it

21st Century - Expander Mandrels (Stainless Steel) Size:0.2550 3 corresponds to a magnification21st Century Innovation Expander Mandrels when used with the Expander Die Body will expand the case neck for proper fit on the turning arbor. Precision CNC machined from high grade stainless steel. 21st Century Expander Mandrels and Arbors are designed for proper fit in the 21st Century die bodies. While these may work in most Sinclair and PMA die bodies we cannot guarantee proper fitment in those bodies. These are sized . 0008" (+ . 0002") below