IMPORTANT: This is a replacement sizing insert kit for Area 419 ZERO M-Series Dies in 6.5 Creedmoor. You must already own an M-Series die to use these components.Area 419 ZERO M-Series Sizing Insert Kit - 6.5 CreedmoorOne precision sizing sleeve for 6.5 Creedmoor caliberOne mandrel delivering approximately 0.002" neck tensionOne extra decapping pin includedCompatible only with existing ZERO M-Series diesFeatures reamer cut sizing chambers and micrometer adjustabilityPerfect for reloaders who want additional sizing inserts for their existing Area 419 ZERO M-Series die system or need replacement components for continued precision reloading.