No — stops inside steel ar500 (reaches 1 mm of a 10 mm barrier)
Penetration depth
1 mm (0.0″)
Impact velocity
260 m/s (853 fps)
Muzzle energy
504 J (371 ft-lb)
Bullet behaviour
Intact
Fired at the muzzle, a representative .45 ACP load (14.9 g, FMJ, 260 m/s) reaches roughly 1 mm (0.0 inches) into steel ar500. It loses its energy before defeating a typical barrier of this material.
About Steel AR500
Hardened AR500 steel (~10 mm) is used for rifle-rated targets and armor.