5.56mm vs. Mild Steel

Published on April 15, 2025
Duration: 0:31

This video demonstrates the penetration capabilities of different 5.56mm and .223 Remington ammunition types against a mild steel plate. It highlights how bullet construction and velocity significantly impact performance, with some rounds easily penetrating while others only create divots. The test provides practical insights into ammunition selection for steel targets.

Quick Summary

In a test comparing 5.56mm and .223 Remington ammunition against mild steel, the PMC 5.56mm M855 (62 grain) and Fiocchi .223 HyperFormance (69 grain) both achieved complete penetration. The Federal .223 V-MAX (40 grain), despite its high velocity, only created a divot.

Chapters

  1. 00:00Test Setup Overview
  2. 00:02.223 Fiocchi HyperFormance Test
  3. 00:08.223 Fiocchi Impact Results
  4. 00:115.56mm PMC M855 Test
  5. 00:165.56mm PMC M855 Impact
  6. 00:18.223 Federal V-MAX Test
  7. 00:24.223 Federal V-MAX Impact
  8. 00:27Final Steel Plate Comparison

Frequently Asked Questions

Which 5.56mm and .223 ammunition types were tested against mild steel?

The video tested Fiocchi .223 Remington HyperFormance (69 grain), PMC X-TAC 5.56mm M855 (62 grain), and Federal Hornady V-MAX .223 Remington (40 grain) against a mild steel plate to assess penetration.

Did the 5.56mm PMC M855 round penetrate the mild steel plate?

Yes, the 5.56mm PMC X-TAC M855, a 62-grain green tip round, completely penetrated the mild steel plate, leaving a passthrough hole similar to the Fiocchi .223 HyperFormance.

What was the performance of the Federal Hornady V-MAX .223 Remington against mild steel?

The Federal Hornady V-MAX .223 Remington, a 40-grain bullet with high velocity, did not penetrate the mild steel plate. It resulted in a shallow divot and splatter on the surface.

How does bullet weight and velocity affect penetration of mild steel?

The test suggests that heavier bullets, like the 69-grain Fiocchi and 62-grain PMC M855, are more effective at penetrating mild steel than lighter, high-velocity varmint rounds like the 40-grain Federal V-MAX, despite the latter's higher speed.

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