Will a 6.5 Creedmoor Penetrate Kevlar NIJ III?

Yes — defeats a 5 mm kevlar nij iii barrier
Penetration depth
18 mm (0.7″)
Impact velocity
800 m/s (2625 fps)
Muzzle energy
2912 J (2148 ft-lb)
Bullet behaviour
Intact

Fired at the muzzle, a representative 6.5 Creedmoor load (9.1 g, BTHP, 800 m/s) reaches roughly 18 mm (0.7 inches) into kevlar nij iii. That is enough to defeat a typical barrier of this material — treat anything behind it as exposed.

About Kevlar NIJ III

A soft body-armor panel is roughly 5 mm of layered Kevlar.

6.5 Creedmoor against other materials

MaterialDepth (mm)Depth (in)
Red Brick313 mm12.3″
Concrete249 mm9.8″
Tempered Glass41 mm1.6″
Steel A3620 mm0.8″
Steel AR5008 mm0.3″
Run your own numbers in the calculator →

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