Lee Precision .300 Winchester Magnum Ultimate Rifle 4 Die Set


MSRP: $89.99
Our Price: $72.99
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The Lee Precision .300 Winchester Magnum Ultimate Rifle 4 Die Set is a comprehensive die set designed to offer shooters and reloaders the ultimate precision and versatility. This die set is engineered to deliver consistent, accurate reloads, ensuring optimal performance and longevity of your ammunition. The set includes everything you need for full-length sizing, bullet seating, and crimping, making it an essential addition to any reloader's bench.


  • Caliber: .300 Winchester Magnum
  • Number of Dies: 4
  • Die Material: Carbide
  • Set Includes:
    • Full Length Sizing Die
    • Collet Neck Sizing Die
    • Easy Adjust Dead Length Bullet Seating Die
    • Factory Crimp Die
  • Shell Holder Included: Yes
  • Powder Dipper Included: Yes
  • Storage Box: Deluxe storage box with an application-specific shell holder and powder dipper included
  • Compatibility: Works with any single-stage or progressive press that accepts standard 7/8”-14 threaded dies
  • Adjustment: Precision adjustment system for consistent and repeatable settings


  • Full Length Sizing Die: Ensures your brass is resized to factory specifications, providing smooth chambering and reliable extraction.
  • Collet Neck Sizing Die: Only sizes the neck of the case, preserving the brass's life and improving accuracy by maintaining the perfect fit for your rifle's chamber.
  • Easy Adjust Dead Length Bullet Seating Die: Guarantees consistent bullet seating depth and minimal run-out, enhancing accuracy and performance.
  • Factory Crimp Die: Provides a secure, uniform crimp, optimizing bullet retention and accuracy.
  • Carbide Construction: Durable carbide material ensures longevity and smooth operation, reducing the need for frequent lubrication.
  • Shell Holder and Powder Dipper Included: Comprehensive kit includes essential tools, making it user-friendly and convenient for reloaders of all experience levels.
  • Deluxe Storage Box: Keeps all components organized and protected, ensuring easy access and storage.
  • Precision Engineering: Each die is meticulously crafted to ensure exact dimensions and tolerances, providing consistent, high-quality reloads.


  • Enhanced Accuracy: Multiple sizing options and precise adjustments improve overall accuracy and performance of your reloads.
  • Extended Case Life: Collet neck sizing die extends the life of your brass, reducing the frequency of replacing cases.
  • User-Friendly Design: Easy to adjust and use, suitable for both novice and experienced reloaders.
  • Comprehensive Set: All necessary dies and tools included for a complete reloading experience.
  • Durable and Long-Lasting: High-quality materials and construction ensure reliable and consistent performance over time.

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