Neck turning and neck sizing ~ Seeking a higher level of accuracy!

Published on January 24, 2017
Duration: 43:03

Achieving higher rifle accuracy involves advanced case preparation beyond standard factory tolerances. Techniques like segregating brass by weight, investing in quality brass like Lapua, and performing neck turning are crucial for concentricity. Neck sizing, as opposed to full-length sizing, preserves the fire-formed shape of the brass for improved consistency and accuracy in precision shooting applications.

Quick Summary

Neck turning is a precision reloading technique that removes excess material from the case neck wall to ensure uniform thickness. This process centers the bullet perfectly with the bore axis, preventing angled entry into the rifling and significantly improving shot-to-shot consistency and accuracy.

Chapters

  1. 00:00Advanced Case Prep Intro
  2. 00:58Understanding MOA & Factory Standards
  3. 03:35Segregating Brass by Weight
  4. 07:19Quality Brass Selection
  5. 09:05Factory vs. Benchrest Chambers
  6. 11:10Neck Turning for Concentricity
  7. 15:55Neck Turning Tools & Techniques
  8. 23:30Neck Sizing vs. Full-Length Sizing
  9. 28:55Case Life & Annealing

Frequently Asked Questions

What is neck turning and why is it important for rifle accuracy?

Neck turning involves removing excess material from the case neck wall to ensure uniform thickness. This process centers the bullet perfectly with the bore axis when chambered, preventing angled entry into the rifling and significantly improving shot-to-shot consistency and accuracy.

What is the difference between neck sizing and full-length sizing?

Neck sizing resizes only the case neck, preserving the fire-formed dimensions of the case to your specific rifle's chamber, which enhances accuracy for target shooting. Full-length sizing resizes the entire case, ensuring reliable chambering for hunting applications but can reduce accuracy over time.

How does brass weight variation affect rifle accuracy?

Variations in brass weight lead to inconsistent internal case capacity, affecting powder volume and burn rate. Sorting brass by weight ensures uniform capacity, promoting more consistent ignition and pressure, which is crucial for achieving match-grade accuracy.

What are the benefits of using high-quality brass like Lapua?

Premium brass like Lapua offers exceptional uniformity in weight and wall thickness right from the manufacturer. This significantly reduces the need for extensive sorting and preparation, providing a more consistent baseline for handloads and contributing to higher overall accuracy.

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