The Redding 300 Wsm Premium Series Deluxe Die Set (MPN: 68223) is a precision three-die reloading system designed specifically for the .300 Winchester Short Magnum (.300 WSM) cartridge. Machined from heat-treated alloy steel to tight SAAMI tolerances, this set provides the tools necessary to process fired brass and assemble accurate ammunition on any standard reloading press utilizing industry-standard 7/8"-14 threading.

Key Features

  • Full-Length Sizing Die: Returns fired brass to factory SAAMI dimensions for reliable cycling in any chamber, featuring a pre-installed carbide expander button that reduces friction and neck stress while eliminating the need for inside-neck lubrication.
  • Neck Sizing Die: Resizes only the case neck of fire-formed brass to extend cartridge life and preserve chamber-matched fire-forming in dedicated bolt-action rifles.
  • Bullet Seating Die with Micrometer: Equipped with a factory-installed seating micrometer calibrated in precise 0.001-inch increments for repeatable seating depth and bullet jump adjustments.

Specifications

  • Calibre Compatibility: .300 Winchester Short Magnum (.300 WSM) (0.308" bullet diameter)
  • Die Threading: 7/8"-14 thread
  • Material: Heat-treated alloy steel with a carbide expander button
  • Adjustment Resolution: 0.001-inch micrometer increments
  • Approximate Shipping Weight: 0.65 kg to 0.75 kg (including storage case)
  • Shellholder Required: Redding #6 or equivalent (sold separately)

Who is the Redding 300 WSM Premium Series Deluxe Die Set for?

  • Bolt-action precision long-range shooters — Achieves exact bullet jump and consistent headspacing with this 300 WSM reloading die set by using the seating micrometer adjustable in 0.001-inch increments alongside a neck sizing die that preserves fire-formed case dimensions.
  • Handloaders requiring both full-length and neck sizing — Combines a neck sizing die for dedicated brass longevity with a full-length sizing die on standard 7/8"-14 thread presses, allowing reloaders to switch between bench accuracy and dependable field feeding for .300 Winchester Short Magnum (.300 WSM) rifles.

Less suitable for: Handloaders reloading standard length .300 Winchester Magnum, .300 RUM, or other non-short magnum .30-calibre cartridges, which require full-length magnum dies designed for longer cartridge case geometries.

SKU RD41716LP
Model # 68223
Brand Redding
Shipping Weight 1.0000kg

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