RMA 1155 Level IV Armor Plate Drama? Let's Test One & Find Out! 🇺🇸

Published on September 30, 2023
Duration: 16:31

This video investigates controversy surrounding the RMA 1155 Level IV armor plate's removal from the NIJ compliant list. The presenter details the NIJ's process, presents evidence suggesting the plate did not fail based on visual inspection of the tested sample, and hypothesizes potential reasons for the NIJ's determination. The video then conducts extensive live-fire testing of the RMA 1155 plate against various rifle and pistol calibers, demonstrating its performance and durability under stress.

Quick Summary

The RMA 1155 Level IV armor plate was removed from the NIJ compliant list due to a reported perforation, though visual evidence suggests no actual penetration. Live fire tests show it stops .30-06, M855, and 7.62x39mm, but fails against M193 after being compromised.

Chapters

  1. 00:17Introduction & NIJ Controversy
  2. 02:03NIJ Safety Notice Explained
  3. 03:23RMA Website & Test Data Review
  4. 04:51NIJ Test Failure Analysis
  5. 06:02Visual Evidence of Plate Condition
  6. 07:13Potential NIJ Testing Errors
  7. 09:09Live Fire Testing Begins
  8. 09:20.30-06 Black Tip Test
  9. 10:44M855 Test
  10. 11:167.62x39mm Test
  11. 11:549mm Pistol Caliber Test
  12. 13:05M193 5.56mm Test (Compromised Plate)
  13. 14:13.50 BMG Test (Failure)
  14. 14:30Conclusion & Plate Performance Summary

Frequently Asked Questions

Why was the RMA 1155 Level IV armor plate removed from the NIJ compliant list?

The RMA 1155 was removed due to an NIJ safety notice citing 'unresolved safety concerns,' specifically a reported perforation of the test sample. However, visual evidence presented suggests the plate itself did not show signs of penetration.

What are the potential reasons for the RMA 1155's NIJ test failure despite visual evidence of no penetration?

Possible reasons include issues with the calibration or condition of the testing equipment, such as the clay used behind the plate, or potential human error or erroneous reporting by the NIJ tester during the evaluation process.

How did the RMA 1155 Level IV plate perform in live-fire testing against rifle rounds?

The plate successfully stopped .30-06 Black Tip, M855, and 7.62x39mm rounds. However, after sustaining damage from multiple impacts, it failed to stop M193 (5.56mm) rounds, indicating compromised performance.

Can the RMA 1155 Level IV plate stop pistol rounds?

Yes, the RMA 1155 plate demonstrated the ability to stop multiple 9mm pistol rounds, even when the ceramic face was significantly damaged, showcasing its capability against handgun threats.

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