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Case Neck Tension

00:57:49  | From the book: Modern Advancements in Long Range Shooting Volume 2, Chapter 6 – Neck Tension. We explore the complexities of neck tension, what it means to handloaders, practical considerations, and what our testing showed to be promising and what didn’t seem to matter.

Listen to an excerpt:

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  • Robert Tottey says:


    Is there a problem with the Neck Tension audio from 44:03 onwards ?

  • Cristian Popescu says:

    What is relation between neck tension (heavy or light) vs accuracy ? Have you done some test in this dirrection ? Sorry , I didn’t heard nothing in the podcast, maybe I have missed..

    Thank you!

    • Bryan Litz says:

      We have done testing on this and haven’t found any relationship between neck tension and groups UNLESS neck tension is so heavy that you damage bullets when seated. Such heavy neck tension also often results in high CBTO variation. Neither of those things are good, although we have not directly confirmed that they make groups bigger.

      Take care,

  • Jason Hickman says:

    Have you done any testing on headspace vs poi change?

    • Bryan Litz says:

      Only indirectly; in the sense that Removing/Replacing barrels on Savage actions results in headspace not being 100% repeatable. We haven’t noticed precision being greatly affected by this, but we haven’t tested specifically for it either. Those guns are assembled to shoot for radar tests to characterize flight performance and we usually don’t even look at groups beyond verifying the bullets are stable and flying good enough to characterize drag. In the tests where we are looking at groups, it doesn’t seem to matter what the exact headspace is as long as it’s between the GO and NOGO gauge.


  • Jay VanLeeuwen says:

    Bryan, after listening to these and reading the book, is velocity SD the only thing that handloading affects to precision? Not including damaging the bullet when seating.

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