RCBS .300 Win. Mag. Full Length Die Set

The .300 Win. Mag. two-die set is intended for handloading bottleneck cases, and consists of a Full-Length Sizer Die with an Expander-Decapping Unit, and a Seater Die with Seater Plug. The Full-Length Sizer Die brings the case to SAAMI minimum cartridge dimensions. It sizes the outside of the case, de-primes and expands the neck to accept the load. The die has vents to prevent case damage caused by trapped air and excessive lubricant. Case body length is maintained to minimum tolerances during full length sizing. The included Seater Die has a built-in roll crimper to secure the load as it is seated. Standard 7/8"-14 thread. Set includes Full-Length Sizing Die and Seating Die. Sizing die brings cases to SAAMI minimum cartridge dimensions. Ships in green die box. For .300 Win. Mag.