Kalashnikov USA KR 103 - Don't Fail Me!

Published on January 17, 2021
Duration: 16:55

This review of the Kalashnikov USA KR 103 details its performance during a 'sand tornado' test. The rifle experienced a bolt obstruction malfunction due to sand, preventing the bolt from closing. The video demonstrates the process of clearing this type of malfunction, including manual cycling and identifying debris. Despite the stoppage, the KR 103 ultimately performed well after clearing the obstruction, showcasing its potential durability.

Quick Summary

The Kalashnikov USA KR 103 experienced a 'bolt not closing' malfunction during a sand test, caused by debris preventing the bolt from fully seating. Clearing this requires removing the magazine and manually cycling the action, potentially with significant force. Despite the stoppage, the rifle's internal components showed minimal wear, and it passed a no-go gauge test, indicating resilience.

Chapters

  1. 00:01Introduction: KR 103 Sand Test
  2. 00:20First Malfunction: Bolt Not Closing
  3. 00:35Diagnosing the Malfunction: Round on Bolt Face
  4. 01:52Attempting to Clear and Continue Firing
  5. 02:55Second Malfunction: Bolt Not Closing (Sand)
  6. 03:42Clearing Obstruction: Sand in Chamber
  7. 04:31Impact of Sand on AK Cycling
  8. 05:00Continuing with Sand in Magazine
  9. 06:08Disassembly and Internal Inspection
  10. 06:26Sand and Debris Found Internally
  11. 07:36Sand Tornado Test Analysis
  12. 08:03KR 103 Performance Summary
  13. 09:06Optics and Stock Setup
  14. 09:40Detailed Internal Component Inspection
  15. 10:33Bolt Inspection
  16. 11:14Bolt Carrier Inspection
  17. 11:56Rear Trunnion and Locking Shoulder
  18. 12:29Chamber and Trigger Inspection
  19. 13:36Gas System Inspection
  20. 14:42Gas Block and Pins
  21. 15:07Muzzle Device and Suppressor Compatibility
  22. 15:43No-Go Gauge Test
  23. 16:24Conclusion: KR 103 Cleared

Frequently Asked Questions

What kind of malfunction did the Kalashnikov USA KR 103 experience during the sand test?

The Kalashnikov USA KR 103 experienced a 'bolt not closing' malfunction. This occurred when sand contaminated the rifle, causing a round to be on the bolt face, preventing it from fully seating and locking.

How is a bolt obstruction malfunction typically cleared on an AK-pattern rifle?

Clearing a bolt obstruction often involves removing the magazine and manually cycling the action. If the bolt is stuck, it may require significant force to overcome the obstruction, which could be caused by debris like sand or a damaged round.

What was the condition of the Kalashnikov USA KR 103's internal components after the sand test?

After the sand test, internal components like the bolt, bolt carrier, locking lugs, and trunnion of the KR 103 showed minimal wear. The gas system also appeared free of significant rust, indicating good build quality despite the harsh conditions.

Did the Kalashnikov USA KR 103 pass the no-go gauge test after the sand exposure?

Yes, the Kalashnikov USA KR 103 passed the no-go gauge test after the sand exposure. This indicates that the rifle's headspace and chamber remained within acceptable tolerances, suggesting its structural integrity was maintained.

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