1″ Sizing Die Decapping Mandrel

1″ Sizing Die Decapping Mandrel

These 1″ Sizing Die Decapping Mandrel’s are proprietary to 300 Norma Magnum, 338 Norma Magnum, and 338 Lapua Magnum Sizing Dies.

Made from 17-4 H1150 stainless steel then QPQ salt bath nitrded for superior hardness and lubricity. These mandrels will have a serviceable life of around 20,000 rounds.

These mandrels are intended to be purchased in conjunction with the mandrel that is supplied with the 1″ sizing die you choose.  They WILL NOT come with a standard non mandrel decapping pin. They will come with a thread protector only.

NOTE: We do not guarantee concentricy on any of our sizing dies or mandrels due to all the parameters that go into place to achieve 0 runout