Lee Safety Scale Owners Watch This

Published on September 30, 2009
Duration: 2:39

This video highlights a critical, often overlooked aspect of reloading accuracy: the weight variance between interchangeable powder pans for reloading scales, such as the Lee Safety Scale. The instructor demonstrates how different pans can have a weight difference of several grains, which can directly translate to inaccurate powder charges. This variance, if not accounted for, can lead to dangerously over-pressurized ammunition, emphasizing the importance of always zeroing your scale with the specific pan you will be using for each reloading session.

Quick Summary

Reloading scale accuracy is critical, and interchangeable powder pans can introduce dangerous errors. Different pans can vary by several grains, directly affecting your powder charge. Always zero your scale with the exact pan you'll use to avoid over-pressurized ammunition and ensure safe reloading.

Chapters

  1. 00:00Introduction: Reloading Scale Discovery
  2. 00:18The Issue with Interchangeable Trays
  3. 00:34Demonstrating Tray Weight Differences
  4. 00:59Scale Zeroed with One Tray
  5. 01:07Using a Different Tray
  6. 01:18Digital Scale Measurement of Trays
  7. 01:24Tray 1 Weight: 124 Grains
  8. 01:32Tray 2 Weight: 120 Grains
  9. 01:43The 4-Grain Difference Explained
  10. 01:50Impact on Powder Charge Accuracy
  11. 02:03Fatal Consequences of Inaccuracy
  12. 02:10Common Sense vs. Critical Detail
  13. 02:17Importance of Working Up Loads
  14. 02:24Tolerances and Bad Days
  15. 02:34Conclusion: Quick and Useful Tip

Frequently Asked Questions

Why is it important to use the same powder pan when reloading?

It's crucial to use the same powder pan that you zeroed your scale with because different pans can have slight weight variations. Even a few grains difference can lead to inaccurate powder charges, potentially causing dangerously over-pressurized ammunition.

How much weight difference can reloading scale pans have?

The video demonstrates that even for the same model of reloading scale, different powder pans can have a weight difference. In this case, one pan weighed 124 grains and another weighed 120 grains, showing a 4-grain variance.

What are the risks of using the wrong powder pan on a reloading scale?

Using the wrong powder pan can lead to an incorrect powder charge. If the pan is lighter than expected, you might add more powder than intended, resulting in over-pressurized rounds. This can cause firearm damage or serious injury to the shooter.

How can I ensure accuracy with my reloading scale?

To ensure accuracy, always zero your reloading scale with the specific powder pan you will be using for that session. Avoid mixing pans, and be mindful of any potential weight differences that could affect your powder charges.

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