NOTE: This is a replacement sizing insert for M-Series dies only. You must already own an Area 419 Zero M-Series Die to use this product.The Area 419 Zero M-Series Sizing Insert for 6.5 PRC provides modular flexibility for serious reloaders using the revolutionary M-Series die system with reamer cut sizing chambers and micrometer adjustability.Area 419 Zero M-Series Sizing Insert - 6.5 PRC caliberOne sizing sleeve identical to those in complete M-Series diesFull-length ground mandrel providing approximately 0.002" neck tensionOne extra decapping pin includedCompatible only with existing Area 419 Zero M-Series DiesPerfect for reloaders who want additional caliber options or replacement components for their modular Area 419 Zero M-Series die system delivering the same precision sizing and headspace control as the complete dies.