No — stops inside kevlar nij iii (reaches 3 mm of a 5 mm barrier)
Penetration depth
3 mm (0.1″)
Impact velocity
500 m/s (1640 fps)
Muzzle energy
3538 J (2609 ft-lb)
Bullet behaviour
Intact
Fired at the muzzle, a representative 12ga Slug load (28.3 g, SLUG, 500 m/s) reaches roughly 3 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.