K&M - Expander Mandrel Powerstroke Bullet Tension Calibre:33 670 @ 2500 fps and

670 @ 2500 fps and above

Not necessarily on the edge of the bench

Cases longer than

Index marks at increments of

K&M - Expander Mandrel Powerstroke Bullet Tension Calibre:33 670 @ 2500 fps andThere are no Exchanges or Refunds on this item as manufacturer deems these non exchangeable. KM Custom Grind Machined Expander Mandrels for controlling case neck tension From the manufacturer: "All of our expand mandrels are ground oversize to account for spring back of brass which is assumed at the nominal anneal. When using an expand mandrel to achieve final neck sizing bullet tension we find it best to size your neck 0. 002 to 0. 003 below your