AR-15 vs BANK VAULT DOOR! Is It Bullet Proof??
This video details an advanced test of an AR-15's ability to penetrate a heavy bank vault door using M855 green tip ammunition. The instructor demonstrates a technique of firing multiple rounds into the same impact point to achieve full pass-through. The experiment highlights the effectiveness of steel-core ammunition against hardened barriers and showcases the destructive potential of the AR-15 platform.













