RCBS Full Length Die Set - Group D - Bottleneck Rifle Cartridge .300 AAC Black

Overview

The RCBS Full Length Die Set for .300 AAC Blackout is a two-die set designed for reloading bottleneck rifle cartridges to SAAMI minimum specifications. It includes a Full-Length Sizer Die with an Expander-Decapping Unit—featuring vent holes to prevent trapped air or excess lubricant damage—to resize the case exterior, remove spent primers, and expand the neck. The set also includes a dedicated Seater Die with a bullet seater plug and a built-in roll crimp to securely seat and crimp the bullet in a single operation.

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