224 Valkyrie Reloading - A rough start

Published on March 2, 2018
Duration: 57:39

This video details the challenging initial reloading process for the 224 Valkyrie cartridge, highlighting common pitfalls and solutions. The instructor, Johnny, walks through case preparation, die selection issues with Forster dies, sizing problems, and initial load development with various powders. Despite numerous self-inflicted setbacks, the video provides practical insights into achieving functional reloads for this cartridge.

Quick Summary

Reloading 224 Valkyrie can present challenges, including die compatibility issues with Forster seating stems and sizing problems requiring careful attention to both shoulder bump and case base resizing. Recommended powders include Power Pro 2000-MR and Reloader 15, with velocities around 2600-2700 fps achievable. Proper case preparation and consistent bullet seating are crucial for accuracy.

Chapters

  1. 00:00Introduction & Warning
  2. 01:03224 Valkyrie Upper & Barrel Specs
  3. 01:45Primary Bullet: 90 Grain Sierra MatchKing
  4. 03:19Alliant Powder Load Data
  5. 05:54SAAMI Cartridge Dimensions
  6. 07:08Brass Inspection & Pressure Signs
  7. 08:37Die Selection Problems: Forster Dies
  8. 12:14Replacement Seating Stem Needed
  9. 14:22Alternative Sizing Die: RCBS 22 Nosler
  10. 15:06Resizing Mistakes & Chambering Issues
  11. 18:27Setting Up Sizing Die Correctly
  12. 22:56Case Trimming & Prep
  13. 25:29Primer Pocket Issues
  14. 27:13Hand Priming Tool Shell Holder Issue
  15. 28:31Load Data Strategy: Powders & OAL
  16. 30:03Chamber & Magazine OAL Limits
  17. 31:08Measuring Max OAL
  18. 33:05Charge Weights & Increments
  19. 34:15Powder Case Fill Comparison
  20. 35:38Seating Die Setup (Improvised)
  21. 36:46Seating Depth Variation
  22. 38:09Neck Tension Measurement
  23. 39:11Range Setup & Chronograph
  24. 41:14First Handloads: Power Pro 2000-MR
  25. 45:08Reloader 15 Test Loads
  26. 48:07Accurate 2520 Test Loads
  27. 51:30Brass Inspection Post-Firing
  28. 52:19Accuracy Analysis: Groups
  29. 52:45Velocity Analysis
  30. 54:23Follow-up: New Dies & Parts
  31. 55:34Magazine Feeding Issues
  32. 56:07Bullet Stabilization Concerns
  33. 56:54Future Bullet Testing Ideas
  34. 57:15Conclusion & Frustrating Start

Frequently Asked Questions

What are the recommended trim lengths for 224 Valkyrie brass?

According to SAAMI specifications, the maximum brass length for the 224 Valkyrie is 1.600 inches. A common and recommended trim length to maintain consistency is 1.590 inches.

What are common issues encountered when reloading 224 Valkyrie with Forster dies?

Reloaders may experience issues with Forster Benchrest seating stems not fitting the 90-grain Sierra MatchKing well, potentially marking bullets. Modifying the stem or using an alternative die set might be necessary.

What powders are recommended for reloading 224 Valkyrie with 90-grain bullets?

Alliant's load data suggests Power Pro 2000-MR and Reloader 15 as effective powders for the 90-grain Sierra MatchKing. Accurate 2520 is also explored, with velocities around 2600-2700 fps achievable.

What is the maximum overall cartridge length for 224 Valkyrie in AR-style magazines?

While standard 5.56 magazines have a limit around 2.260 inches, 6.8 SPC magazines used for the 224 Valkyrie can accommodate lengths up to 2.3 inches, allowing bullets to be seated closer to the rifling.

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