No — stops inside kevlar nij iii (reaches 1 mm of a 5 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 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.