No — stops inside steel a36 (reaches 2 mm of a 6 mm barrier)
Penetration depth
2 mm (0.1″)
Impact velocity
395 m/s (1296 fps)
Muzzle energy
796 J (587 ft-lb)
Bullet behaviour
Expanded
Fired at the muzzle, a representative .357 Magnum load (10.2 g, SP, 395 m/s) reaches roughly 2 mm (0.1 inches) into steel a36. It loses its energy before defeating a typical barrier of this material.
About Steel A36
Mild structural steel plate (~6 mm); car bodies are far thinner (~1 mm).