Reloading Series: Case Priming

Published on October 23, 2024
Duration: 11:08

This guide demonstrates two primary methods for seating primers into cartridge cases: using a hand priming tool and a reloading press with a built-in priming mechanism. It emphasizes the importance of eye protection and proper primer seating depth, ensuring primers are flush with the case head to prevent firearm malfunctions. The techniques shown are applicable to both pistol and rifle cartridges.

Quick Summary

Properly seating primers is crucial for reliable ammunition. Ensure primers are flush with the case head using hand tools or press-mounted systems. Always wear eye protection and confirm primer size (large or small) via reloading manuals for your specific cartridge.

Chapters

  1. 00:00Introduction to Priming
  2. 00:27Press-Mounted Priming Setup
  3. 00:41Lyman Turret Press Priming
  4. 00:51Hand Priming Tool Overview (Frankfort Arsenal)
  5. 01:01Primer Types: Large vs. Small
  6. 01:12Determining Primer Size
  7. 01:37Federal Gold Medal Primers
  8. 02:01Priming on the Press: Step-by-Step
  9. 02:42Primer Safety: Eye Protection
  10. 02:54Primer Pickup Tube Operation
  11. 03:45Primer Shield and Follower
  12. 04:18Sizing and Priming a 9mm Case
  13. 04:55Checking Primer Seating Depth
  14. 05:32Consequences of Improper Seating
  15. 06:06Priming Rifle Cases
  16. 06:53Frankfort Arsenal Hand Priming Tool Details
  17. 07:41Hand Priming Tool: Loading Primers
  18. 08:08Hand Priming Tool: Seating a Primer
  19. 09:08Benefits of Hand Priming Feel
  20. 09:37Next Steps: Powder Dispensing & Flaring
  21. 10:14Conclusion and Q&A

Frequently Asked Questions

What are the two main types of primers used in reloading?

The two main types of primers are large and small. The specific cartridge being reloaded will determine whether a large or small primer is required. This information is readily available in reloading manuals.

How can I ensure a primer is seated correctly in a cartridge case?

A properly seated primer should be flush with the base of the cartridge case. You can check this by running your fingertip or fingernail across the case head, or by setting the case on a flat surface to see if it wobbles or protrudes.

What safety precautions should I take when priming cartridge cases?

The most critical safety precaution is to always wear eye protection when handling primers. Additionally, when operating priming tools, ensure they are pointed away from your face to mitigate any risk from accidental primer ignition.

Can the priming process be combined with other reloading steps on a press?

Yes, on many reloading presses, case sizing and primer seating can be performed in the same operational cycle. The case is typically sized on the upstroke, and a primer is seated on the downstroke.

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