No — stops inside steel a36 (reaches 2 mm of a 6 mm barrier)
Penetration depth
2 mm (0.1″)
Impact velocity
400 m/s (1312 fps)
Muzzle energy
1248 J (920 ft-lb)
Bullet behaviour
Expanded
Fired at the muzzle, a representative .44 Magnum load (15.6 g, SP, 400 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).