5.56 vs 5.45x39 On Mild Steel: NOT So Similar After All?
This video provides a detailed comparison of 5.56x45mm NATO and 5.45x39mm cartridges, focusing on their penetration capabilities against mild steel targets. The host, demonstrating high expertise in ballistics testing, uses chronographs and precise measurements to analyze velocity, energy, and penetration depth. The M855 variant of the 5.56x45mm NATO cartridge showed superior performance in breaching thicker steel.
![5.56mm [Part II] - M193 vs. M855 Green tip](/_next/image?url=https%3A%2F%2Fi.ytimg.com%2Fvi%2F6Iu-_TkpfO8%2Fhqdefault.jpg&w=3840&q=75)








