5.56X45mm Barrier Penetration: Block Wall

Published on December 29, 2011
Duration: 18:03

This video demonstrates a barrier penetration drill using 5.56x45mm ammunition against dirt-filled cinder blocks. It highlights the effectiveness of different rifle configurations and shooting positions, including iron sights versus optics, and prone versus kneeling assisted stances. The drill also tests the durability of firearms and optics after being dropped.

Quick Summary

This 5.56x45mm barrier penetration drill tested cinder blocks with dirt fill. 5.56 FMJ ammunition caused significant block fragmentation but limited clean penetration. The drill highlighted challenges of iron sights at range and the benefits of stable shooting positions like prone with a bipod.

Chapters

  1. 00:00Introduction to Barrier Penetration Drill
  2. 01:03Setting Up Cinder Block Barriers
  3. 02:26Choppy the Tactical Groundhog Introduced
  4. 02:38AR-15 Build Breakdown (Jackson Wan)
  5. 03:24Commencing Firing - Target 1
  6. 04:04Barrier Damage Assessment
  7. 05:04Continued Firing and Barrier Disintegration
  8. 06:53Missed Shots and Target Engagement
  9. 07:16Inspection of Barrier Carnage
  10. 08:06Moving Choppy to Position Two
  11. 08:17SPR Build Breakdown (Mr. Tactical Bacon)
  12. 09:45Engaging Choppy from Prone
  13. 10:18Choppy's Workout and Kill Shots
  14. 10:43Death Kill on Choppy
  15. 11:35Mr. Tactical Bacon's Thoughts on SPR
  16. 12:15Vigilant Spectre's Turn to Engage
  17. 12:19Trijicon ACOG Durability Test
  18. 13:33Vigilant Spectre Engaging Choppy
  19. 14:08Choppy's Demise
  20. 15:21Final Magazine and Headshot
  21. 15:36Weapon Solid Assessment
  22. 15:50Post-Drill Debrief and Observations
  23. 16:25Group Engagement Session
  24. 17:49Choppy is Wasted - Conclusion

Frequently Asked Questions

How effective is 5.56x45mm FMJ ammunition against cinder block barriers?

Against dirt-filled cinder blocks, 5.56x45mm FMJ ammunition proved challenging. It often caused significant fragmentation and splitting of the blocks rather than clean, complete penetration, indicating limited effectiveness for breaching.

What are the challenges of using iron sights for barrier penetration drills?

Using iron sights for barrier penetration drills, especially at distances like 150 yards, significantly increases difficulty. It requires precise aiming and can lead to missed shots and less effective engagement with the barrier or target.

How does shooting position affect barrier penetration drills?

Shooting position greatly impacts effectiveness. Prone with a bipod offers stability for accurate shots, while standing assisted or kneeling assisted on a barricade can still be effective, but generally less stable than a solid prone position.

Can AR-15s malfunction during tactical drills, and how is it resolved?

Yes, AR-15s can malfunction if not properly lubricated. The video shows that applying lubricant can resolve issues and ensure the rifle runs reliably during demanding drills.

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