No — stops inside kevlar nij iii (reaches 2 mm of a 5 mm barrier)
Penetration depth
2 mm (0.1″)
Impact velocity
300 m/s (984 fps)
Muzzle energy
527 J (388 ft-lb)
Bullet behaviour
Intact
Fired at the muzzle, a representative .40 S&W load (11.7 g, FMJ, 300 m/s) reaches roughly 2 mm (0.1 inches) into kevlar nij iii. It loses its energy before defeating a typical barrier of this material.
About Kevlar NIJ III
A soft body-armor panel is roughly 5 mm of layered Kevlar.