5.56 vs 5.45x39 On Mild Steel: NOT So Similar After All?
This expert-level guide details a rigorous ballistics test comparing 5.56x45mm NATO and 5.45x39mm rounds on mild steel targets. The host from Banana Ballistics, demonstrating high expertise, uses a MagnetoSpeed chronograph and precise measurements to analyze velocity, penetration depth, and projectile deformation. The findings reveal significant differences in performance, particularly with specialized rounds like M855 and 7N6, offering valuable data for firearms enthusiasts and ballistics researchers.












