Do you need one of these? APW Expander Mandrel review

Published on August 5, 2023
Duration: 23:13

This video provides a comprehensive overview of achieving consistent neck tension in handloaded ammunition, a critical factor for precision. It compares budget-friendly options like the Lee Collet Die with more advanced systems like full-length bushing dies and expander mandrels, detailing their mechanisms, pros, and cons. The presenter emphasizes how these methods reduce brass work and improve consistency compared to traditional full-length sizing dies.

Quick Summary

Achieving consistent neck tension in reloading is vital for ammunition accuracy. Options range from budget-friendly Lee Collet Dies, which offer fixed tension, to advanced bushing dies paired with expander mandrels. These systems minimize brass work and allow precise control over bullet seating, leading to more consistent and precise ammunition.

Chapters

  1. 00:00Introduction to Neck Tension
  2. 00:45APW Expander Mandrel Set Introduction
  3. 03:46Budget Option: Lee Collet Die
  4. 05:05Shortcomings of Full-Length Sizing Dies
  5. 06:27How the Lee Collet Die Works
  6. 08:34Bushing Die and Expander Mandrel System
  7. 10:14Comparing Brass Working: Full-Length vs. Bushing Dies
  8. 13:49APW vs. 21st Century Expander Mandrels
  9. 14:14Price and Value Comparison
  10. 19:02APW Die Machining Quality
  11. 20:01Eric Cortina's Die System
  12. 20:31APW Expander Mandrel Set Uniqueness
  13. 21:07Supporting APW and Precision Zone
  14. 22:06Conclusion and Future Content

Frequently Asked Questions

What is neck tension in reloading and why is it important?

Neck tension in reloading refers to the amount of pressure the case neck exerts on the bullet. It's crucial for consistent bullet seating, which directly impacts chamber pressure and overall ammunition accuracy. Proper neck tension ensures the bullet stays seated during recoil and handling, contributing to predictable ballistic performance.

How does a Lee Collet Die differ from a traditional full-length sizing die?

A Lee Collet Die sizes only the neck of the case using a collet mechanism around a mandrel, providing a fixed neck tension. Traditional full-length dies resize the entire case, often over-sizing the neck and then using an expander ball, which can lead to brass stretching and less consistent neck tension.

What are the advantages of using a bushing die with an expander mandrel?

A bushing die allows you to select specific bushings to control the exact amount of neck sizing, offering greater precision and adjustability. Paired with an expander mandrel, this system minimizes brass working, reduces case stretch, and allows for fine-tuning the final neck tension for optimal bullet seating and accuracy.

Is the APW Expander Mandrel set worth the higher cost compared to budget options?

The APW Expander Mandrel set is praised for its exceptional machining quality, precision tolerances, and comprehensive package including multiple calibers and diameters. While more expensive, its durability, versatility, and the quality of components often make it a worthwhile investment for serious reloaders seeking top-tier performance and longevity.

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